第一篇：高考英语 魔法英语语法讲义 名词性从句教案 人教版
名词性从句
由一个主句和一个或一个以上的从句构成的句子叫复合句。名词性从句在复合句中起名词的作用，它包括主语从句、宾语从句、表语从句、同位语从句四大类，在句中分别用作主语、宾语、表语和同位语。
引导名词性从句的关联词
A．that
连词that本身没有意义，在从句中不担任任何句子成分，在宾语从句中有时可省略。
I hear(that)he has joined the football club.我听说他已经加入了足球俱乐部。
That light travels in straight line is known to all.众所周知，光是以直线传播的。
It so happens that I know the man.碰巧我认识那个。
Is it certain that they will win 他们一定会赢吗
B．whether和if
连词whether和if本身有意义（解释是否），在从句中不可省略。
1．whether可以连接所有的名词性从句，而if只能引导宾语从句。
I didn't know whether he would attend the concert.我并不知道他是否参加音乐会。（宾语从句，可用if代替whether）
The question is whether it s worth trying.问题是值不值得试一试。（表语从句，不可用if代替whether）
Whether she comes or not makes no difference.她来不来都没有关系。（主语从句，不可用if代替whether）
He must answer the question whether he agrees to it or not.他必须回答他是否同意此事这样一个问题。（同位语从句，不可用if代替whether）
2．whether引导的宾语从句可作介的宾语，而if则不能。
It all depends on whether they will support us.这完全取决于他们是否支持我们。(不用if)
Ryan was worrying about whether he had hurt her feelings.瑞恩担心是否伤害了她的感情。
3．if既可引导语从句，也可引导宾语从句。如果用if会引起歧义，应避免使用if，而用whether。
Please let me know if you want to join us.请告诉我你是否想加入我们。（if引导的从句可被看成是宾语从句，if表示是否）
Please let me know if you want to join us.如果你想加入我们的话，请告诉我一声。（if引导的从句可被看成是条件状语从句，if表示如果）
Please let me know whether you want t join us.请告诉我你是否想加入我们。（为避免引起歧义，可用whether表示是否）
C．who, whom, whose, what, which
连接代词who, whom, whose, what, which等在从句中既起连接作用，同时又担当主语、宾语、定语、表语等成分。
No one knows who he was waiting for.没人知道他当时在等谁。
We are worrying about what we should do next.我们正在为下一步该怎么办而烦恼。
Tell me whos house it is.告诉我这是谁的家。
用心
爱心
专心
Let me know which train you will be arriving on.告诉我你将乘哪列火车到达。
D．where, when, how, why
连接副词where, when, how, why等在从句中既是连接词，又作状语。
I don't know where we are going to have the meeting.我不知道我们将在哪儿开会。
She always thinks of how shecan work well.她总是在想怎样能把工作做好。
What I am anxious to know is when we can visit the museum.我急于知道我们什么时候能参观博物馆。
比较：
when引导的时间状语从句和名词性从句中的不同时态。
Please lt me know when you arrive.你到的时候，请告诉我一声。（when引导的是时间状语从句，从句中用一般现在时来表示将来。）
Please let me know when you will arrive.请告诉我你什么时候到。（when引导的是宾语从句，从句中用一般将来时。）
E．whoever, whomever, whatever, whichever, whosever
连接代词whoever = anyone who任何人, 无论谁；whatever =anything that凡是...，无论什么；whichever = anything that无论那一个, 任何一个；whomever = anyone whom（whoever的宾格形式）。
Whoever comes to the club is welcome.不论谁来参加这个俱乐部都欢迎。
Whatever is worth doing at all is worth doing well.凡是值得做的就值得做好。
They ate whatever they could find o the deserted island.他们在荒岛找到什么就吃什么。
You may do whatever you will.你可做任何你想做的事。
I'll take whichever book interests me.我愿买任何让我感兴趣的书。
Whosever book is overdue will be fined.不管谁的书过期未还都要被罚款。
比较：
连接代词whoever在宾语从句中作主语，whomever作宾语从句中宾语。
You may offer he book to whoever wants it.你可把这本书给任何想要的人。（此句中不能使用whomever，因为whoever在宾语从句中作wants it的主语）
You may offer the book to whomever you like.你可把这本书给任何你喜欢的人。（whomever在宾语从句中作you like的宾语）
表语从句
表语从句放在连系动词之后，充当复合句中的表语。
A．可接表语从句的连系动词
可接表语从句的连系动词有be, look, seem, sound, appear等。
China is no longer what she used to be.今日的中国不再是过去的中国了。
The question remains whether they will be able to help us.问题还是他们能否帮我们。
Itappears that he has a taste for music.看来他对音乐有一定的鉴赏力.At that time, it seemed as if I couldn' t think of the right word anyhow.当时，我似乎怎么也想不出一个恰当的字眼来。
B．as, as ifthough引导的表语从句
用心
爱心
专心
He looked just as he had looked ten years before.他看起来还与十年前一样。
It sounds as ifsomeone is knocking at the door.听起来好像有人在敲门。
C．because, why引导的表语从句
I think it is because you are talking too much.我想这是因为你话说得太多。
That's because he didn't understand me.那是因为他没有理解我。（That's because 强调原因）
That's why he got angry with me.那正是他对我生气的原因。（Tha's why 强调结果）
注意
what引导的主语从句表示结果或名词reason作主语时，后面的表语从句表示原因时要用that引导，一般不宜用because。
The reason why I was sad was that he didn't understand me.我难过的原因是他没有理解我。
What cost him his life was that he was too careless.使他丧命的原因是他太粗心了。
D．使用虚拟语气的表语从句
在表示建议、劝告、命令含义的名词后的表语从句，谓语动词需用should+动词原形表示，should可省略。常见的词有：advice, suggestion, order, proposal, insistence, plan, idea等。
My suggestion is that we(should)start early tomorrow.我的建议是我们明天一早就出发。
His proposal was that they(should)challenge the other classes to afriendly competition.他的提议是挑战别的班级进行一场友谊竞赛。
四、宾语从句
在复合句中用作动词宾语或介词宾语的从句叫宾语从句。
A.作动词宾语
He told us（that）he felt ill.他对我们说他感到不舒服。
Do you know whose dictionary it is 你知道这是谁的字典？
He has informed me when they are to discuss the work plan.他已经通知我他们将什么时候讨论工作计划
Give a reading list to whoever comes.给所有来的人一份阅读书目。
注意：
doubt（怀疑）的肯定句接ifwhether引导的宾语从句，但否定句和疑问句接that引导的宾语从句。
I doubt whether if he will succeed.我怀疑他是否会成功。
I do not doubt that he can recite the poem.我相信他能把这首诗背下来。
Do you doubt that he will win 你不相信会获胜吗
B．作介词的宾语
He was deeply displeased by what had occurred that day.他对那天发生的事感到很不快。
I am curious as to what he will say.我很想知道他要说什么。
Your success will largely depend upon what you do and how you do it.你是否成功将主要取决于你做什么和怎样做。
They were praised or criticizd according to how they had done their work.他们受表扬还是受批评是根据他们工作好坏而定。
He goes to the library every day except when it is raining.除了天下雨外，他每天都去图书
用心
爱心
专心
馆。
注意：
that引导的宾语从句只用在少数介词后，如：except, in, but等。此时，that不能省略。
I know little about him except that he lives downstais.我对他知之甚少，只知道他住在楼下。
He differed from his classmates in that he devoted his spare time to reading.他和他的同学们不同的地方在于他把业余时间用在阅读上。
C.作形容词的宾语
I am not sure what I ought to do.我不能确定我该做什么。
I'm afraid(that)you don't understand what I said.恐怕你没领会我说的意思。
I'm suprised(that)I didn't see all that before.我好奇怪，我以前没见过那一切。
D.用it作形式宾语的情况
1．和it作形式主语一样，我们常用it来作形式宾语，把真正的宾语从句放在句末，这种情况尤其出现在带复合宾语的句子中。
We thought it strange that Xiao Wang did not come yesterday.我们认为小王昨天没来是奇怪的。
He has made it clear that he will not give n.他已表明他不会屈服。
2．由于that引导的宾语从句一般不可以直接作介词的宾语，因此当介词后面需要用that从句作宾语时，必须使用it作形式宾语。
You may depend on it that I shall always support you.你可以放心我会永远支持你的。
I'll see to it that your problem will be dealt with immediately.我保证你的问题会立即得到处理的。
3．在take, hide, see to, insit on, depend on等动词以及一些表示爱好的动词（enjoy, hate, like, love, don't mind, resent 等）之后，形式宾语it可直接跟宾语从句。
I take it that he's not interested in the book.我猜想他对这本书不感兴趣。
She hid it that she was married.她隐瞒了她已婚的事实。
I don't like it when you look at me like that!我不喜欢那样看我。
4.it不能作由连接代词 whoever, whomever, whosever, whatever, whichever引导的宾语从句的形式宾语。
You may do whatever you will.你可做任何你想做的事。
I'll take whichever book interests me.我愿买任何让我感兴趣的书。
We are ready to offer help to whoever needs it.我们乐意帮助任何需要帮助的人。
E．宾语从句的语序
和其他词性从句一样，宾语从句必须使用陈述语序，不能用疑问语序。
How can I get to the station Can you tell me
→Can you tell me how I can get to the station 你能告诉我怎样去车站吗？
What does he like I wonder
→I wonder what he likes.我想知道他喜欢什么。
Where were you born He asked→He asked me where I was born.他问我出生的地方。
比较：
He asked me what was the matter.他问我出了什么事。(the matter = wrong)
He asked me what the matter was.他问我那是什么物质。
用心
爱心
专心
F．宾语从句中的时态
1．在一般情况下，宾语从句中时态要和主句相一致，尤其是主句为过去时态时。
He said that he had lived in Beijing since liberatin.他说自解放以来他一直住在北京。
He made it quite clear that he preferred to learn English.他明确地说他更喜欢学英语。
2．有时，宾语从句中时态也可以和主句不一致。
You can't imagine how they were excited when they won the first place in the game.你无法想象他们获得比赛第一名时是多么的兴奋。
Can you make sure where you have pu the gold ring 你能确定你把金戒指放哪儿了吗？
3．客观真理和自然规律的内容在宾语从句中时态保持不变。
Mike asked whether the earth moves around the sun.迈克问地球是否绕着太阳转。
Columbus proved that the earth is round.哥伦布证明了地球是圆的。
G．关于that的省略
一般情况下，宾语从句中的that是可以省略的。但在下列几种情况下，that一般不可省略。
1．介词后面的that不能省。
Pter is a good student except that he is sometimes careless.彼得是好学生，只是有时粗心。
2．并列连词and连接两个或两个以上宾语从句，and前面的that可以省略，and的后面的that不能省略。
Everybody could see what happened and that Tom was frightened.大家都会看出所发生的事情并知道Tom非常害怕。
My uncle says(that)he has servd here for twenty years and that he is going to retire next month.我叔叔说他在这儿工作已二十年了，下个月即将退休。
3．that引导的宾语从句位于句首时，that不可省略。
That he ever said such a thing I simply don't believe.我简直不相信他曾说过这样的话。
4．主句谓语动词与that从句之间有插入语，that不可省略。
He said that, if he could manag it, he would come for dinner.他说，如果他安排得好的话，他会来吃晚饭的。
5．宾语从句中有其他从属连词时，that不能省略。
He told me that if it was necessary they would work all night.他告诉我，如果需要的话，他们就干个通宵。
H．宾语从句的否定转移
在think, consider, believe, suppose, expect, fancy等动词后的宾语从句，如有否定意思，一般要把否定词前移到主句的语上，从句的谓语用肯定的形式。
I don't think he can do it better than me.我想他不会干得比我好。
I don't believe they have finished their work yet.我相信他们还未完成他们的工作。
I don't suppose he cares, does he 我想他不会在意的，是吗？
提示：
在下列情况下，宾语从句不否定转移：
1．think等词前有副词和表示强调的do
I really expect he wont fail the examination.我真希望他不会不通过考试。
I do think that he is not fair.我确实认为他是不公正的。
2．think等词和其他词构成并列谓语
I think and hope that he won't cheat at cards.我想，也希望他打牌不会作弊的。
用心
爱心
专心
3．think等词作为插入语
His decision is not wise, I think.我觉得他的决定并不明智。
I．使用虚拟语气的宾语从句
1．在suggest insist, order, demand, request, require, command, propose, desire等表示建议、命令、要求、欲望动词后面的宾语从句中，用虚拟语气，即should +动词原形，should常被省略。
He suggested that we should have a further discussion about the final decision.他建议我们对最后的决定作进一步讨论。
She insisted that they should sow her their passports.她坚决要求他们向她出示护照。
2．在wish后面的宾语从句中需要用虚拟语气，表示与事实相反或难以实现的愿望。
How I wish I had learned more!我多么希望我以前多学一些啊！
He wishes he would have another chance to go abroad.他希望能再有一次出国的机会。
J．含有宾语从句复合句的反意疑问句
①反意疑问句一般与主句一致。
He said they were going to help me, didn't he？ 他说过他们要帮我，不是吗？
She told you that the mat was her own work, didn't she 她告诉过你这个垫子是她亲自做的，是吗？
②当主句的主语为第一人称，谓语动词是think, believe, consider, imagine, suppose, hope 等词时，反意疑问句应与宾语从句保持一致。这时特别要注意否定转移的问题。
I supposeyou're serious, aren't you 我想你是当真的，不是吗？(不可用don't I)
I don't suppose he's serious, is he 我想他不是当真的，是吗？(不可用do I)
提示：
如果主语是第二、第三人称，则疑问句部分与主句一致，且不存在否定转移的问题。
You don't think we can speak English, do you 你认为我们不会说英语，对吗？
He thinks he's got the right answer, doesn't he 他认为自己找到了正确的答案，是吗？
同位语从句
同位语从句用于对前面的名词作进一步解释，说明名词的具体内容。同位语从句一般由that引导，但也可以由whether 以及连接代词和连接副词引导。
A．同位语从句一般跟在名词fact, hope, idea, news, doubt, suggestion, information, opinion, decision, discovery, truth, promise, statement, problem, rule等的面。
They were all very much worried over the fact that you were sick.对你生病这件事，他们都很焦虑。
Where did you get the idea that I could not come 你在哪儿听说我不能来？
I have no idea whether he'll come or not.我不知道他是否来。
We haven't yet settled the question where we are going t spend our summer vacation.到哪儿去度暑假，这个问题我们还没有决定。
It is a question how he did it.那是一个他如何做了此事的问题。
There is no doubt that we will win.毫无疑问我们会赢的。
注意：
当含有同位语从句的主句谓语部分过短时，可以把谓语动词提前，使同位语从句与名词隔
用心
爱心
专心
开，以避免头重脚轻的现象。
Word came that Mr President would come and inspect our school himself.有消息说总统先生将亲自来视察我们学校。
B．使用虚拟语气的同位语从句
在一些表示建议、命令、要求的名词后的同位语从句中，谓语动词用should+动词原形表示，should可省略。
This is our only request that this(hould)be settled as soon as possible.尽快解决这个问题，这是我们唯一的请求。
He made the suggestion that we go by train.他建议我们坐火车去。
用心
爱心
专心 7
第二篇：高考英语语法：名词性从句
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名词性从句
在句子中起名词作用的句子叫名词从句。名词从句的功能相当于名词词组, 它在复合句中能担任主语、宾语、表语、同位语、介词宾语等，因此根据它在句中不同的语法功能，名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。17.1 引导名词性从句的连接词
引导名词性从句的连接词可分为三类：
连接词： that, whether ,if（不充当从句的任何成分）
连接代词：what, whatever, who, whoever, whom, whose, which 连接副词：when, where, how, why 不可省略的连词：
1.介词后的连词
2.引导主语从句和同位语从句的连词不可省略。例如：
That she was chosen made us very happy.她被选上了，我们很高兴。
We heard the news that our team had won.我们听到消息说我们队赢了。
比较：whether与if 均为“是否”的意思。但在下列情况下，whether 不能被if 取代：
1.whether引导主语从句并在句首
2.引导表语从句
3.whether从句作介词宾语
4.从句后有“or not”
大部分连接词引导的主语从句都可以置于句末，用 it充当形式主语。例如：
It is not important who will go.谁去，这不重要。
It is still unknown which team will win the match.到底谁赢呢，形势尚不明朗。17.2 名词性that-从句 www.xiexiebang.com 解决高考问题，就上高考圈
1）由从属连词that引导的从句叫做名词性that-从句。That只起连接主句和从句的作用，在从句中不担任任何成分，本身也没有词义。名词性that-从句在句中能充当主语、宾语、表语、同位语和形容词宾语。例如：
主语：That he is still alive is sheer luck.他还活着全靠运气。
宾语：John said that he was leaving for London on Wednesday.约翰说他星期三要到伦敦去。表语：The fact is that he has not been seen recently.事实是近来谁也没有见过他。同位语：The fact that he has not been seen recently disturbs everyone in his office.近来谁也没有见过他，这一情况令办公室所有的人不安。
形容词宾语：I am glad that you are satisfied with your job.你对工作满意我感到很高兴。2）That-从句作主语通常用it作先行词，而将that-从句置于句末。例如：
It is quite clear that the whole project is doomed to failure.很清楚，整个计划注定要失败。
It's a pity that you should have to leave.你非走不可真是件憾事。用it作形式主语的that-从句有以下四种不同的搭配关系：
a.It + be +形容词+ that-从句
It is necessary that…
有必要……
It is important that…
重要的是……
It is obvious that…
很明显…… b.It + be +-ed 分词+ that-从句
It is believed that…
人们相信……
It is known to all that…
从所周知……
It has been decided that…
已决定…… c.It + be +名词+ that-从句
It is common knowledge that…
……是常识
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It is a surprise that…
令人惊奇的是……
It is a fact that…
事实是…… d.It +不及物动词+ that-分句
It appears that…
似乎……
It happens that…
碰巧……
It occurred to me that…
我突然想起…… 17.3 名词性wh-从句
1）由wh-词引导的名词从句叫做名词性wh-从句。Wh-词包括who, whom,.whose, whoever, what, whatever, which, whichever等连接代词和where, when, how, why等连接副词。
Wh-从句的语法功能除了和that-从句一样外，还可充当介词宾语、宾语补语和间接宾语等。例如：
主语： How the book will sell depends on its author.书销售如何取决于作者本人。直接宾语：In one's own home one can do what one likes.在自己家里可以随心所欲。
间接宾语：The club will give whoever wins a prize.获胜者俱乐部将颁奖。
表语： My question is who will take over president of the Foundation.我的问题是谁将接任该基金会主席职位。
宾语补足语：She will name him whatever she wants to.她高兴给他起什么名字就取什么名字。
同位语：
I have no idea when he will return.我不知道他什么时候回来。
形容词宾语：I'm not sure why she refused their invitation.我尚不能肯定她为什么拒绝他们的邀请。
介词宾语： That depends on where we shall go.那取决于我们去哪儿。2）Wh-从句作主语也常用先行词it做形式主语，而将wh-从句置于句末。例如：
It is not yet decided who will do that job.还没决定谁做这项工作。
It remains unknown when they are going to get married.他们何时结婚依然不明。17.4 if, whether引导的名词从句
1）yes-no型疑问从句 www.xiexiebang.com 解决高考问题，就上高考圈
从属连词if, whether引导的名词从句是由一般疑问句或选择疑问转化而来的，因此也分别被称为yes-no型疑问句从句和选择型疑问从句，其功能和wh-从句的功能相同。例如：
主语：Whether the plan is feasible remains to be proved.这一计划是否可行还有等证实。
宾语：Let us know whether / if you can finish the article before Friday.请让我们知道你是否能在星期五以前把文章写完。
表语：The point is whether we should lend him the money.问题在于我们是否应该借钱给他。
同位语：They are investigating the question whether the man is trustworthy.他们调查他是否值得信赖。
形容词宾语： She's doubtful whether we shall be able to come.她怀疑我们是否能够前来。
介词宾语： I worry about whether he can pass through the crisis of his illness.我担心他是否能度过疾病的危险期。
2）选择性疑问从句
选择性疑问从句由关联词if/whether…or或whethe…or not构成。例如：
Please tell me whether / if they are Swedish or Danish.请告诉我他们是瑞典人还是丹麦人。
I don't care whether you like the plan or not.我不在乎你是否喜欢该计划。17.5 否定转移
1）将think, believe, suppose, expect, fancy, imagine等动词后面宾语从句的否定词转移到主句中，即主句的谓语动词用否定式，而从句的谓语动词用肯定式。例如：
I don't think I know you.我想我并不认识你。
I don' t believe he will come.我相信他不回来。
注意：若谓语动词为hope,宾语从句中的否定词不能转移。例如：
I hope you weren't ill.我想你没有生病吧。
2）将seem, appear 等后的从句的否定转移到前面。例如：
It doesn't seem that they know where to go.看来他们不知道往哪去。
It doesn't appear that we'll have a sunny day tomorrow.看来我们明天不会碰上好天气。www.xiexiebang.com 解决高考问题，就上高考圈
3）有时将动名词，介词短语或整个从句的否定转变为对谓语动词的否定。例如：
I don't remember having ever seen such a man.我记得从未见过这样一个人。（not否定动名词短语 having…）
It's not a place where anyone would expect to see strange characters on the street.在这里，人们不会想到在街上会碰上陌生的人。（anyone 作主语，从句中的谓语动词不能用否定形式。）
4）有时状语或状语从句中否定可以转移到谓语动词前。例如：
The ant is not gathering this for itself alone.（否定状语）蚂蚁不只是为自己采食。
He was not ready to believe something just because Aristotle said so.（否定because状语）
他并不因亚里斯多德说过如何如何，就轻信此事。
She had not been married many weeks when that man's younger brother saw her and was struckby her beauty.（否定状语many weeks）她结婚还不到几个月，这个人的弟弟就看见她了，并对她的美貌着了迷。
第三篇：名词性从句讲义[范文模版]
1.名词性从句
在句子中起名词作用的句子叫名词从句(Noun Clauses）。名词从句的功能相当于名词词组, 它在复合句中能担任主语、宾语、表语、同位语、介词宾语等，因此根据它在句中不同的语法功能，名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。
一、引导名词性从句的连接词
引导名词性从句的连接词可分为三类：
连词：that（无任何词意）
whether,if（均表示“是否”表明从句内容的不确定性）
as if ,as though（均表示“好像”，“似乎”）
以上在从句中均不充当任何成分
连接代词：what, whatever, who, whoever, whom，whose, which.whichever,whomever
连接副词：when, where, how, why
不可省略的连词：
1.介词后的连词
2.引导主语从句和同位语从句的连词不可省略。
That she was chosen made us very happy.We heard the news that our team had won.比较：
whether与if 均为“是否”的意思。但在下列情况下，whether 不能被if 取代：
1.whether引导主语从句并在句首
2.引导表语从句
3.whether从句作介词宾语
4.从句后有“or not”
Whether he will come is not clear.大部分连接词引导的主语从句都可以置于句末，用 it充当形式主语。二.主语从句
作句子主语的从句叫主语从句。主语从句通常由从属连词that，whether，if和连接代词what，who，which，whatever，whoever以及连接副词how，when，where，why等词引导。that在句中无词义，只起连接作用；连接代词和连接副词在句中既保留自己的疑问含义、又起连接作用，在从句中充当从句的成分。
有时为避免句子头重脚轻，常用形式主语it代替主语从句作形式主语放于句首，而把主语从句置于句末。主语从句后的谓语动词一般用单数形式。常用句型如下：
（1）It + be + 名词 + that从句
（2）It + be + 形容词 + that从句
（3）It + be + 动词的过去分词 + that从句
（4）It + 不及物动词 + that 从句
另注意在主语从句中用来表示惊奇、不相信、惋惜、理应如此等语气时，谓语动词要用虚拟语气“(should)+do”，常用的句型有：
It is necessary(important, natural, strange, etc.)that …
It is a pity(a shame, no wonder, etc.)that…
It is suggested(requested, proposed, desired, etc.)that…
三、宾语从句
名词句用作宾语的从句叫宾语从句。引导宾语从句的关联词与引导主语从句表语从句的关联词大致一样，在句中可以作谓语动词或介词及非谓语动词的宾语。
1.由连接词that引导的宾语从句
由连接词that引导宾语从句时，that在句中不担任任何成分，在口语或非正式的文体中常被省去，但如从句是并列句时,第二个分句前的that不可省
注意：在demand、order、suggest、decide、insist, desire, request, command等表示要求、命令、建议、决定等意义的动词后，宾语从句常用“（should）+ 动词原形”。
2.用who，whom, which, whose, what, when, where, why, how, whoever, whatever, whichever等关联词引导的宾语从句相当于特殊疑问句，应注意句子语序要用陈述语序。
3.用whether或if引导的宾语从句，其主语和谓语的顺序也不能颠倒，仍保持陈述句语序。此外，whether与if 在作“是否”的意思讲时在下列情况下一般只能用whether，不用if：
a.引导主语从句并在句首时；b.引导表语从句时；c.引导从句作介词宾语时；d.从句后有“or not”时；e.后接动词不定式时。
4.注意宾语从句中的时态呼应，当主句动词是现在时，从句根据自身的句子情况，而使用不同时态。
当主句动词是过去时态（could, would除外），从句则要用相应的过去时态，如一般过去时，过去进行时，过去将来时等；当从句表示的是客观真理，科学原理，自然现象，则从句仍用现在时态。
5.think, believe, imagine, suppose等等动词引起的否定性宾语从句中，要把上述主句中的动词变为否定式。即将从句中的否定形式移到主句中。
四、表语从句
在句中作表语的从句叫表语从句。引导表语从句的关联词与引导主语从句的关联词大致一样，表语从句位于连系动词后，有时用as if引导。其基本结构为：主语 + 系动词 + that从句。
需要注意的，当主语是reason时，表语从句要用that引导而不是because。
【注意】whether 可引导表语从句，但与之同义的if却通常不用于引导表语从句。
五、同位语从句
同位语从句说明其前面的名词的具体内容。同位语从句通常由that引导，可用于同位语从句的名词有advice、demand、doubt、fact、hope、idea、information、message、news、order、problem、promise、question、request、suggestion、truth、wish、word等。
同位语从句和定语从句的区别：
that作为关系代词，可以引导定语从句，充当句子成分，在从句中作宾语时可以省略； that引导同位语从句时，起连词的作用，没有实际意义，不充当句子成分，一般不能省略。
试比较下面两个例句:
I had no idea that you were here．（that引导同位语从句，不能省略）
Have you got the idea（that）this book gives you of life in ancient Greece？（that引导定语从句，作宾语，可以省略）
六、名词性that-从句
1）由从属连词that引导的从句叫做名词性that-从句。That只起连接主句和从句的作用，在从句中不担任任何成分，本身也没有词义。名词性that-从句在句中能充当主 语、宾语、表语、同位语和形容词宾语，例如：
主语：That he is still alive is sheer luck.他还活着全靠运气。
宾语：John said that he was leaving for London on Wednesday.约翰说他星期三要到伦敦去。
表语：The fact is that he has not been seen recently.事实是近来谁也没有见过他。
同位语：The fact that he has not been seen recently disturbs everyone in his office.近来谁也没有见过他，这一事实令办公室所有的人不安。
形容词宾语：I am glad that you are satisfied with your job.你对工作满意我感到很高兴。
2）That-从句作主语通常用it作先行词，而将that-从句置于句末，例如：
It is quite clear that the whole project is doomed to failure.很清楚，整个计划注定要失败。
It's a pity that you should have to leave.你非走不可真是件憾事。
用it作形式主语的that-从句有以下四种不同的搭配关系：
a.It + be +形容词+ that-从句
It is necessary that… 有必要……
It is important that… 重要的是……
It is obvious that… 很明显……
b.It + be +-ed 分词+ that-从句
It is believed that… 人们相信……
It is known to all that… 从所周知……
It has been decided that… 已决定……
c.It + be +名词+ that-从句
It is common knowledge that… ……是常识
It is a surprise that… 令人惊奇的是……
It is a fact that… 事实是……
d.It +不及物动词+ that-分句
It appears that… 似乎……
It happens that… 碰巧……
It occurred to me that… 我突然想起……
七、名词性wh-从句
1）由wh-词引导的名词从句叫做名词性wh-从句。Wh-词包括who, whom,.whose, whoever, what, whatever, which, whichever等连接代词和where, when, how, why等连接副词。Wh-从句的语法功能除了和that-从句一样外，还可充当介词宾语、宾语补语和间接宾语等，例如：
主语： How the book will sell depends on its author.书销售如何取决于作者本人。
直接宾语：In one's own home one can do what one likes.在自己家里可以随心所欲。
间接宾语：The club will give whoever wins a prize.俱乐部将给得胜者设奖。
表语： My question is who will take over president of the Foundation.我的问题是谁将接任该基金会主席职位。
宾语补足语：She will name him whatever she wants to.她高兴给他起什么名字就取什么名字。
同位语： I have no idea when he will return.我不知道他什么时候回来。
形容词宾语：I'm not sure why she refused their invitation.我尚不能肯定她为什么拒绝他们的邀请。
介词宾语： That depends on where we shall go.那取决于我们去哪儿。
2）Wh-从句作主语也常用先行词it做形式主语，而将wh-从句置于句末，例如：
It is not yet decided who will do that job.还没决定谁做这项工作。
It remains unknown when they are going to get married.他们何时结婚依然不明。
八、if, whether引导的名词从句
1）yes-no型疑问从句
从属连词if, whether引导的名词从句是由一般疑问句或选择疑问转化而来的，因此也分别被称为yes-no型疑问句从句和选择型疑问从句，其功能和wh-从句的功能相同，例如：
主语：Whether the plan is feasible remains to be proved.这一计划是否可行还有等证实。
宾语：Let us know whether / if you can finish the article before Friday.请让我们知道你是否能在星期五以前把文章写完。
表语：The point is whether we should lend him the money.问题在于我们是否应该借钱给他。
同位语：They are investigating the question whether the man is trustworthy.他们调查他是否值得信赖。
形容词宾语： She's doubtful whether we shall be able to come.她怀疑我们是否能够前来。
介词宾语： I worry about whether he can pass through the crisis of his illness.我担心他是否能度过疾病的危险期。
2）选择性疑问从句
选择性疑问从句由关联词if/whether…or或whether…or not构成，例如：
Please tell me whether / if they are Swedish or Danish.请告诉我他们是瑞典人还是丹麦人。
I don't care whether you like the plan or not.我不在乎你是否喜欢该计划。
if和whether的区别：
1、在动词不定式之前只能用whether。
2、在whether …… or not 的固定搭配中。、在介词后，只能用whether。
4、宾语从句放在句首表示强调时，只能用whether。
5、用if会引起歧义时，只用whether。
练习：名词性从句
一、判断下列各句哪句含有名词性从句，并指出是什么从句：
1.China is no longer what it used to be.2.The truth that the earth turn around the sun is known to all.3.It was snowing when he arrived at the station.4.How he persuaded the manager to change the plan is interesting to us all.5.The news that they had won the game soon spread over the whole school.6.The news that you told me yesterday was really disappointing.7.That is where Lu Xun used to live.8.He spoke as if he understood what he was talking about.9.Do you remember the teacher who taught us English at middle school? 10.I wonder why she refused my invitation.二、用适当的连词填空：
1.I can’t decide ____________ dictionary I should buy.2.That’s ____________ he refused my invitation.3.I am very interested in ____________ he has improved his pronunciation in such a short time.4.____________ we need is more time.5.The fact ____________ she had not said anything at the meeting surprised everybody.6.____________ and ____________ they will meet has not been decided yet.7.Please tell me ____________ you are waiting for.8.Is that ____________ you are looking for? 9.Would you please tell me ____________ the nearest post office is? 10.I don’t know ____________ he will agree to the plan or not.三、选择填空：
1.Do you see _____ I mean? A.that
B./
C.how
D.what 2.Tell me_____ is on your mind.A.that
B.what
C.which
D.why 3.We must stick to _____ we have agreed on.A.what
B.that
C./
D.how 4.Let me see _____.A.that can I repair the radio B.whether-I can repair the radio C.I can repair the radio
D.whether can I repair the radio 5.Keep in mind _____.A.that the teacher said
B.what did the teacher say C.that did the teacher say D.what the teacher said 6.Could you advise me _____? A.which book should I read first B.what book should I read first C.that book 1 should read first D.which book I should read first 7.He was criticized for _____.A.he had done it B.what he had done
C.what had he done done it 8.Would you kindly tell me _____? A.how can I get to the Beijing Railway Station B.how I can get to the Beijing Railway Station C.where can I get to the Beijing Railway Station D.whether can I get to the Beijing Railway Station 9.Mrs.Smith was very much impressed by _____.A.what had she seen in China B.that she had seen in China C.what she had seen in China D.which had she seen in China 10.We took it for granted ___ A.that they were not coming B.that were they not coming C.they were coming not D.were they not coining 11.I really don't know _____ A.I should do next B.what should I do next C.what I should do next D.how I should do next 12.I'm afraid _____.A.the little girl will have to be operated on B.that will the little girl have to operate on C.the little girl will have to operate on D.that will the little girl have to be operated on 13.She walked up to _____.A.where did I stand
B.where I stood
C.I stood there
D.where I stood there 14.Can you tell me _____? A.who is that gentleman
B.that gentleman is who C.who that gentleman is
D.whom.is that gentleman
D.that he had 15.We'll give you _____.A.that do you need
B.what do you need C.whatever you need
D.whether do you need 16.They want us to know _____ to help us.A.what can they B.what they can C.how they can
D.how can they 17.We must put _____ into practice.A.what we have learned
B.that we have learned C.that have we learned
D.what have we learned 18.Did she say anything about _____? A.that the work was to be done B.how was the work to be done C.that was the work to be done D.how the work was to be done 19.He was never satisfied with _____.A.what she had achieved
B.had what she achieved C.she had achieved
D.that she achieved 20.These photographs will show you _____.A.what does our village look like B.what our village looks like C.how does our village look like D.how our village looks like 21.Peter insisted _____ he pay the bill.A.on that
B.what
C.that
D.on which 22.They urged _____ the library open during the vacation.A.when
B.where C.why
D.that 23.We wish we could have learned _____ when we were at high school.A.what you did
B.that you had done C.that what you did
D.what did you do 24.1 will describe to you _____ I saw when there.A.what
B.that
C.which
D./ 25.From _____ I should say he is a good worker.A.what 1 know of him
B.that I do know of him C.what do I know of him
D.that do I know of him 26.I will give this dictionary to __ wants to have it.A.whomever
B.anyone C.whoever D.someone 27._____ they will come here hasn' t been decided yet.A.What
B.That
C.When D.Where 28._____ was said here must be kept secret.A.Who
B.The thing C.Whatever
D.Where 29.It is still a question _____ we shall have our sports meet.A.if
B.that
C.what
D.when 30.I'm going anyway._____ she will go is up to her to decide.A.If or not B.Whether or not C.If
D.That 31.It is strange _____ she have left without saying a word.A.that
B.what
C.why
D.how 32.It is very clear _____ our policy is a correct one.A.what
B.that
C.why
D.where 33._____ Mr Zhang said is quite right.A.That
B.When
C.What
D.Whether 34.It has been decided _____ he will be sent there.A.if
B.whether
C.why
D.that 35.It doesn' t matter _____he' s come back or not.A.if
B.whether
C.that
D.when 36.It's a great pity _____ we won’t be able to finish the task on time.A.when
B.that
C.why
D.where 37.It happened _____ I wasn't there that day.A.when
B.why
C.where
D.that 38._____ you have done might do harm to other people.A.What
B.That
C.Which
D.The things 39._____ leaves the room last ought to turn oft the lights.A.Anyone
B.The person C.Whoever
D.Who 40._____ the 2000 Olympic Games won't be held in Beijing is known to all.A.Whether
B.If
C.Whenever
D.That 41._____ fails to see this will make a big mistake.A.That
B.Whoever
C.Whether
D.Whether or not 42.__ we need more equipment is quite obvious.A.What
B.Whether
C.That
D.Whatever 43.Has it been announced _____? A.when are the planes to take off B.that are the planes to take off C.where are the planes to take off D.when the planes are to take off 44.That is _____ we all support his idea.A.what
B.why
C.where D.when 45.That’s _____ we should do.A.that
B.what
C.how
D.why 46._____ is troubling me is _____ I don’t understand _____ he said
A.What;that;what
B.What;what;what C.That;that;what
D.Why;that;which 47.Things were not _____ they seemed to be.A.when
B.why
C.that
D.what 48.That’s _____ I want to say.A.all what B.what
C.all which D.what that 49.That’s _____.A.where our differences lie B.our differences lie there C.where do our differences lie D.that where our differences lie 50.That is _____.A.where lived he there
B.where did he live C.where he lived
D.that where he lived 51.The questions is _____.A.whether is it worth doing B.that if it is worth doing C.whether it is worth doing D.if it is worth doing 52.Water will continue to be _____ it is today next in importance to oxygen.A.how
B.which C.what
D.as 53.That's_____.A.how did I become a teacher B.how I became a teacher C.how a teacher I became D.that I became a teacher 54.They are just _____.A.that what shall I have
B.what shall I have C.that I shall have what
D.what I shall have 55.It looked ____.A.as if it was going to rain B.that as if it was going to rain C.as if was it going to rain D.as if that it was going to rain 56.That's_____.A.how she did it
B.that how did she do it.C.how did she do it
D.what she did it 57.That is _____ we decided to put the discussion off.A.where B.which C.that
D.why 58.That’s _____ I lived when I was ten years old.A.where B.at which C.there where D.when 59.My suggestion is _____ we should send a few comrades to help them.A.if
B.that
C.when that D.that where 60.The idea _____ all people are selfish is wrong.A.what
B.that
C.why
D.if 61.We heard the news _____ our team had won.A.that
B.what
C.whether D.why 62.The fact _____ he hadn’t said anything surprised us all.A.why
B.if C.that
D.whether 63.I have no idea _____ she will be back.A.that
B.where C.that when
D.when 64.We must keep in mind the fact _____ China is still a developing country.A.whether B.that
C.why
D.when 65.They have no idea at all _____.A.where he has gone
B.where did he go C.where has he gone
D.which place he has gone
第四篇：2017高考英语——名词性从句
2017年高考题
【2017·北京】23.Every year, ______ makes the most beautiful kite will win a prize in the Kite Festival.A.whatever B.whoever C.whomever D.whichever 【答案】B 代词，根据意思可知是人获奖，故排除AD，因为需要做主语，只能用主格代词who，故选B。考点：考查连词。【名师点睛】
主语从句 Subject Clauses(在主语的位置上)1.从句的连接词可以是that, 也可以是特殊疑问词wh-。
That he is a famous singer is known to us.= It is known to us that„ Whether we shall attend the meeting hasn’t been decided yet.Who will go makes no difference. It is known to us that he is a famous singer. It is not yet fixed when he will go to America.本题中，whatever引导主语从句，同时作do的宾语。2.wh和ever 连用的词引导的名词性从句和状语从句的区别
区分使用wh-和wh-ever: wh 有疑问的意思；wh-ever有肯定强调的意思 *Who will be invited hasn’t been decided.*Whoever comes here is welcomed.*A reward of $1,000 will be given to whoever can provide any clues to the case.*The gift will be given to whomever I like. wh-ever 在引导名词性从句时不能用no matter wh-来替换，但在引导状语从句时可以替换 Whatever happened, he would not mind.= No matter what happened, he„„
【2017·北京】26.Jane moved aimlessly down the tree-lined street, not knowing ______she was heading.A.why B.where C.how D.when 【答案】B 试题分析：A.why 为什么 B.where 在哪 C.how 如何 D.when什么时候。句意：Jane漫无目的地走在两旁栽树的街道上，不知道她将去往何方，根据语境可知此处是表地点的，很容易就可选出答案B。考点：考查连词。
【2017·江苏】26.We choose this hotel because the price for a night here is down to $20, half of _______ it used to charge.A.that 【答案】C 【解析】
B.which
C.what
D.how
【名师点睛】
这里容易误判为定语从句的“介词+关系代词”结构，需要注意的是，half of后面的价格是以前的价格。如果是定语从句，那么half of后面的价格则是$20的一半，即$10，再结合“down to”可知，原来的价格
高于$20，因此不是定语从句。
介词of后跟宾语，因此这里是宾语从句，通过分析句子成分可知，宾语从句缺少宾语，因此用what引导。
宾语从句
1.动词后的宾语从句 1)that引导的宾语从句
后常接that引导的宾语从句的动词有admit, agree, answer, believe, decide, declare, expect, explain, feel, hear, hope, intend, insist, mean, notice9 0rder, remember, reply, say, suggest, think, wish 等
2)wh-，if引导的宾语从句
后常接wh-，if引导的宾语从句的动词有advise，ask，discuss，doubt，find out，imagine，inform,1nquire, know, question, tell, understand, wonder，出scover等。3)“动词十间接宾语+宾语从句”
常使用此类结构的动词有advise，ask，inform，promise，question，remind，show，teach，tell，warn，assure等。
4)“动词+it十形容词／名词+that从句”
常见的后接it作形式宾语的动词有find，feel，think，believe，make，consider等。5)it作形式宾语的特殊句型
常见的有：see to it that...；hate it that...；owe it to sb.that...；take it for granted that.2.形容词后宾语从句
后常接宾语从句的形容词有：anxious，aware，certain，determined，glad，proud，surprised，worried, sorry, thankful, ashamed, disappointed, pleased, content, proud, annoyed, convinced，confident等。
3.介词后宾语从句
后常接宾语从句的介词有on，about，in，but，except等。4.宾语从句需要注意的问题
1)当主句是一般现在时或者一般将来时时，宾语从句可根据句子意思选择用所需要的时态。2)当主句是一般过去时时，宾语从句必须用相应的过去时态。
3)但是当宾语从句表达的是普遍真理或客观规律时，宾语从句时态不受主句时态限制而用一般现在时。4)当主句谓语是think，believe，suppose，expect，imagine等，宾语从句的意义是否定时，not要转移到主句中；但当从句有否定意义的never，．seldom，hardly，scarcely等词时，否定词不转移。5)主句中谓语是think，believe，suppose，ex》ect，imagine，guess等，同时，wh-连词引导的表示疑问的宾语从句，应将连词wh-置于主句前面，主句若是疑问语序，从句语序不变。例 如：When do you think he will come back? Do you think when he will come back?(错句）
6)当主句动词是wish时，从句的时态要用虚拟语气；当主句的动词是suggest，demand，require等词时，从句要用可省略should的虚拟语气。
7)if常可代替whether，但是当从句作介词宾语时，只能用whether。
8)引导宾语从句的that常可省略，但是当两个that从句由and或or连接时，第二个从句的that不能省略。考点：宾语从句
【2017·天津】4.She asked me _______ I had returned the books to the library, and I admitted that I hadn’t.A.when B.where C.whether D.what 【答案】C 【解析】
试题分析：句意：他问我是否已经把书还给图书馆了，我承认。我还没有还。A.什么时候；B.在哪里；C是否；D.什么。根据句意，故选C 考点：考查宾语从句。
【名师点睛】本题是对宾语从句中连词的考查。对于宾语从句的连词的确定，首先确定连词的词义，然后根据句意判断出正确的连词，本句的句意很明显，确定为是否。
2016年高考题
1.【2016·北京】24.Your support is important to our work.________ you can do helps.A.However 【答案】C 【解析】
试题分析：题目考查主语从句。helps是谓语，“________ you can do”是主语部分，即主语从句，在主语从句中，do后缺少宾语，表示“任何事情”，因此用whatever引导，故选C。考点：考查主语从句 【名师点睛】
主语从句 Subject Clauses(在主语的位置上)1.从句的连接词可以是that, 也可以是特殊疑问词wh-。
That he is a famous singer is known to us.= It is known to us that„ Whether we shall attend the meeting hasn’t been decided yet.Who will go makes no difference. It is known to us that he is a famous singer. It is not yet fixed when he will go to America.本题中，whatever引导主语从句，同时作do的宾语。2.wh和ever 连用的词引导的名词性从句和状语从句的区别
B.Whoever
C.Whatever
D.Wherever 区分使用wh-和wh-ever: wh 有疑问的意思；wh-ever有肯定强调的意思 *Who will be invited hasn’t been decided.*Whoever comes here is welcomed.*A reward of $1,000 will be given to whoever can provide any clues to the case.*The gift will be given to whomever I like. wh-ever 在引导名词性从句时不能用no matter wh-来替换，但在引导状语从句时可以替换 Whatever happened, he would not mind.= No matter what happened, he„„
2.【2016·北京】29.The most pleasant thing of the rainy season is ________ one can be entirely free from dust.A.what 【答案】B 【解析】 B.that
C.whether
D.why
考点：考查表语从句 【名师点睛】
表语从句 Predictive Clauses(在be动词 后)
1.从句的连接词可以是that, 也可以是wh-的特殊疑问词。The fact is that she never liked him.The question is whether the movie is worth seeing.The question is who can complete the difficult task. This/That/It is because „
I think it is because you are doing too much. The reason why„is that„
The reason why the play is successful is that it appeals to many different people.2.只能用whether 的情况
* 在表语从句、主语从句、同位语从句中 * 在介词后的宾语从句中 It all depends on whether they will support us.* 在不定式之前
He doesn’t know whether to stay or not.* 从句中有or not时
He doesn’t know whether he should stay or not.3.【2016·江苏】21.It is often the case ______anything is possible for those who hang on to hope.A.why 【答案】D 【解析】 B.what
C.as
D.that
【名师点睛】
that 引导主语从句：由连词that引导的主语从句，在大多数情况下被放到句子的后面，用it 作形式主语来代替它的位置。常见的以it作形式主语的主语从句的句型有三种。1.It + be + 形容词+that从句
适用于这种句型的常见形容词有：necessary，clear，true，strange，important，wonderful，possible，likely，obvious，surprising etc。
1)It’s clear that they badly need help。很明显，他们急需援助。
2)It’s possible that we can carry out the project at last.最终我们能完成这项工程是有可能的。
表语为 necessary，clear，true，strange, important, wonderful，possible, likely, obvious, surprising, astonishing, etc.等形容词时，谓语动词的形式一般为“should ＋ 动词原形”
3)It is necessary that you(should)master the computer.你很有必要掌握电脑。
4)It is strange that he should have killed himself.真奇怪，他竟然自杀了 2.It +be +名词词组+ that从句
常用于这种句型的名词词组有：a fact，a good idea，a pity，an hour，a shame，no wonder，good news etc.1)It’s a pity that you missed the film.你没有看那部电影真是太遗憾了。
2)―Tom has a bad cold.汤姆患了重感冒。
―It is no wonder that he looks pale.――难怪他看起来脸色苍白。
3)It is a great shame that he should have stolen a pen.他竟然偷钢笔，真是太丢脸了。shame 所用的句中要用虚拟语气。3.It + be+ 过去分词+ that从句
常有的过去分词有：said，reported, hoped, believed, expected, decided, well-known, thought, suggested 等。
1)It is well-known that the earth moves around the sun.众所周知，地球围绕太阳转。
2)It’s reported that the two countries have made an agreement about their trades.据报道这两个国家就贸易问题达成协议。
过去分词表示：建议，命令，愿望如suggested，ordered，requested等词时，从句需用虚拟语气。动 词形式为：should ＋ 原型。
1)It is requested that Mr.Wang(should)give a performance.有人请求王先生表演一个节目。
2)It is suggested that we should discuss the problem.有人建议我们应该讨论一下这个问题。考点：考查主语从句
4.【2016·天津】11.The manager put forward a suggestion ____ we should have an assistant.There is too much work to do.A.whether B.that C.which D.what 【答案】B 【解析】
试题分析：句意：经理提出一个建议，我们应该有个助手。有太多的工作要做。使用同位语从句说明suggestion 的内容，而且同位语从句成分和意思都是完整的。用that引导，that不作成分，只是起着连接的作用。故选 B。
考点：考查同位语从句。
【名师点睛】解答这类题目，关键在于分析清楚句子结构，知道引导词的使用习惯。通过判断引导词在从句中所作的成分，来选择正确的引导词。连接同位语从句的连词主要有that, if, whether，和疑问词（what how where when...)。that引导表示陈述句的同位语从句，if和whether，whether...or not引导表示“是否”的一般疑问句的同位语从句。判断是否是同位语从句，还可以用同位词+is+同位语从句，如果可以讲的通，一般就是同位语从句，例如这题中，可以改成The suggestion is that we should have an assistant.2015年高考题
1.【2015·湖南】26.You have to know ________ you're going if you are to plan the best way of getting there.A.what 【答案】C 【解析】 B.that
C.where
D.who
【考点定位】考查宾语从句。
【名师点睛】判断是什么句子最关键，这个句子是由know引导的宾语从句，宾语从句的连接词有连接代词和连接副词。因为从句部分缺少状语成分，答案就出来了。正确解答该题需要理解句意以及注意上下文（you're going if you are to plan the best way of getting there.）的表达。2.【2015·北京】33.I truly believe ______beauty comes from within.A.that 【答案】A 【解析】 B.where
C.what
D.why
【考点定位】考查名词性从句。
【名师点睛】名词性从句分多种，宾语从句在考试中也是很常见的，要注意宾语是句子的一个重要成分，它可以由名词、代词、名词短语或句子充当。当一个句子充当宾语时，这个句子就称之为宾语从句。一般情况下，宾语从句可作谓语 的宾语，也可做主语的宾语。根据所选空在句中所作的成分来判断出是何种名词性从句。
3.【2015·安徽】25.A ship in harbor is safe, but that’s not ______ ships are built for.A.what 【答案】A 【解析】
试题分析：句意：船停放在海港里是很安全的，但这并非建造船的目的。isn’t后跟从句作表语，表语从句中的for后缺少宾语，用what引导，what与for连用，表示目的。故选A。【考点定位】考查名词性从句
【名师点睛】本题考查表语从句。表语从句是名词性从句的一种，名词性从句还包括主语从句、宾语从句和同位语从句。可以根据从句在句子中充当的成分来判断名词性从句的类型。isn’t后跟一个从句作表语，what在名词性从句中作主语、宾语或表语；why和when作状语。介词for后缺少宾语，因此用what。4.【2015·浙江】6.If you swim in a river or lake, be sure to investigate is below the water surface.Often there are rocks or branched hidden in the water.A.what
B.who
C.that D.whoever B.whom
C.why
D.when 【答案】A 【解析】
试题分析：句意：如果你在河里或湖里游泳，请确定查看水面下有什么？通常总有一些石头或树枝藏在水里。此处的what指代的是树枝或石头，B选项和D选项用于指人，that 只有语法意义。句式上，该句用了(If 从句，祈使句)的句式，非谓语to investigate 后接一个宾语从句的表达。分析宾语从句的成分可以发现，空格所做的成分是主语。根据下一句的表述中的树枝和石头，可以得出答案是what.【考点定位】考查宾语从句的连接词
【名师点睛】判断是什么句子最关键，这个句子是由investigate引导的宾语从句，因为从句部分is 前面缺少成分，答案就出来了。正确解答该题需要理解句意以及注意上下文（Often there are rocks or branched hidden in the water.）的表达。
5.【2015·重庆】8.We must find out ____ Karl is coming, so we can book a room for him.A.when B.how 【答案】A 【解析】
试题分析：句意：我们必须弄明白什么时候来，因此我们能给他预定房间。Find out 后面跟着宾语从句。
C.where D.why 根据句意选when。【考点定位】考查宾语从句。
【名师点睛】 宾语从句连接词的考查，宾语从句一共分为三类，一由that引导的宾语从句；二是由连接代词who,whom,whose,what,which和连接副词when,where,why,who,how引导的宾语从句，这些连接代词和连接副词在宾语从句充当某个成分。三由if或whether引导宾语从句。首先要根据句子结构来确实是哪一类，再根据具体的信息来确实用哪一个，是否符合当时的语境。
6.【2015·四川】8.The exhibition tells us we should do something to stop air pollution.A.where B.why C.what D.which 【答案】B 【解析】
【考点定位】考查宾语从句
【名师点睛】本题考查宾语从句的引导词。通常情况下，宾语从句如果是由陈述句变来时用that引导；如果由一般疑问句变来则用whether/if；而由特殊疑问句变来则用特殊疑问词。通过四个选项，排除1、2两种情况。而特殊疑问词的选择则要求对句子的结构内容有着全盘的掌握。此句中，主语、宾语、定语并不缺少，故选项C、D是错误的，再根据句意，只有B最为恰当。
7.【2015·陕西】19.Reading her biography, I was lost in admiration for Doris Lessing had achieved in literature.A.what B.that C.why D.how 【答案】A 【解析】
【考点定位】考查宾语从句
【名师点睛】宾语从句是名词性从句的一种，解答这类题目，关键在于分析清楚句子结构。确定这是什么从句，再通过判断从句中缺少的内容决定引导词在从句中所作的成分及意义，来选择正确的引导词。通常如果名词性从句缺少主语宾语和表语的时候用what连接。
8.【2015·福建】29—I wonder _________ Mary has kept her figure after all these years.—By working out every day.A.where 【答案】B 【解析】
试题分析：考查宾语从句。句中I是主语，wonder是谓语，how引导的宾语从句在整个句子中做宾语。连接副词How是宾语从句中的方式状语。句子是用表示方式的介词by回答的，所以是针对方式题提问的，故用how。根据句意---我好奇玛丽在这些年是怎么保持着身材的。--通过每天锻炼。故选C 【考点定位】考查宾语从句
【名师点睛】宾语从句算是高考中一个比较简单的考点，引导词主要的选择方法是看宾语从句的引导词在主句中做什么成分，不同的引导词表达的意思也不相同。通常宾语从句的前面会有一个及物动词，及物动词后面可以直接接上宾语，但是也要结合具体情况进行具体分析。
9.【2015·江苏】25._____ Li Bai, a great Chinese poet, was born is known to the public, but some won’t accept it.A.That B.Why C.Where D.How 【答案】C 【解析】
试题分析：句意：李白是中国一位伟大的诗人，他的出生地是众所周知的，但有些人不愿接受这一事实。分析句子结构可知，a great Chinese poet做Li Bai的同位语，is前面是主语从句。比较选项只有where符合句意，where在从句中做地点状语。故选C项。【考点定位】名词性从句
【名师点睛】此题由于“a great Chinese poet”的插入，句子结构变得稍显复杂，因此要求考生能够排除结构干扰，看清考点还是考查名词性从句连接词的选择，然后根据“从句部分缺什么补什么的原则选则连接词”这一根本原则，同时结合句意，迅速锁定正确答案。
10.【2015·北京】35._____we understand things has a lot to do with what we feel.A.Where B.How C.Why D.When 【答案】B 【解析】 B.how
C.why
D.If
【考点定位】主语从句。
【名师点睛】主语从句分多种，解题时要分析原题空中缺少的是何种状语。这类题考生首先要利用主句与从句之间的逻辑关系判别，尤其是连词在从句中的功能，由于引导主语从句的连词功能有所分别，较为容易抉择，但有的连词的形式一样，但具有不同意思，这就需要考生仔细甄别，充分利用与之相关内容或与其搭配相关词语的意思。
2014年高考英语分项解析精编版
专题10名词性从句
1.【2014·全国大纲卷】24.Exactly______ the potato was introduced into Europe is uncertain, but it was probably around 1565.A.whether B.why C.when D.how 【答案】C 【解析】
试题分析：考查主语从句的连接词。句意：准确的说，土豆是什么时候被传到欧洲的还不确定，但是可能在1565年左右。此处when引导主语从句并在从句中作主语。考点：考查主语从句的连接词。
【名师点睛】从句分多种，主语从句在考试中也是很常见的，要注意主语是句子的一个重要成分，它可以由名词、代词、名词短语或句子充当。当一个句子充当主语时，这个句子就称之为主语从句。根据所选空在句中所作的成分来判断出是何种名词性从句。从而来选出合适的连接词。
2.【2014·重庆卷】12.---Is it true that Mike refused an offer from Yale University yesterday?---Yeah, but I have no idea _______ he did it;that’s one of his favorite universities.A.when B.why C.that D.how 【答案】B 【解析】
项。故本题选择B项。why表示“原因”。考点：考查同位语从句的用法。【名师点睛】 一般来说，在主从复合句中,用作同位语的从句叫同位语从句。它通常跟在某些名词之后，用以说明或解释该名词表示的具体内容。可以跟同位语从句的名词通常有：advice, decision, fact, hope, idea, information, message, news, promise, proposal, reply, report, suggestion, word(消息), problem, question, doubt, thought等。本题中的idea可以跟同位语从句的名词，做好此类题先分析从句的成分，然后再选择适当的连接词。
3.【2014·北京卷】Some people believe _______ has happened before or is happening now will repeat itself in the future.A.whatever C.wherever 【答案】A 【解析】
试题分析：本题考查宾语从句，考查方式为连接词。句意：有些人认为以前或现在正在发生的事情将来还会重复发生。根据题干信息，“过去发生或现在正发生的事情，将来仍然会重复”，宾语从句中缺少主语，并且指的是事件，所以选用A。考点：考查宾语从句的用法
【名师点睛】名词性从句分多种，宾语从句在考试中也是很常见的，要注意宾语是句子的一个重要成分，它可以由名词、代词、名词短语或句子充当。当一个句子充当宾语时，这个句子就称之为宾语从句。一般情况下，宾语从句可作谓语 的宾语，也可做主语的宾语。根据所选空在句中所作的成分来判断出是何种名词性从句。
4.【2014·北京卷】30.The best moment for the football star was _______ he scored the winning goal.A.where C.how 【答案】B 【解析】
B.when B.whenever.D.however
D.why
考点：考查表语从句的连接词
【名师点睛】本题考查表语从句的用法，表语从句就是用一个句子作为表语。说明主语是什么或者怎么样，由名词、形容词或相当于名词或形容词的词或短语充当，和连系动词一起构成谓语。表语从句是名词性从句的一种。表语从句的基本结构是“主语+ 连系动词+ 关联词+ 表语从句”。做此类题时应该分析句子成分，指出主语谓语，看缺少何种成分。
5.【2014·天津卷】14.I think _______ impresses me about his painting is the colours he uses.A.what B.that C.which D.who 【答案】A 【解析】
试题分析：考查主语从句。句意：我认为关于他的画给我印象最深的是他使用的颜色。在主语从句中what做主语，指代物；that 只起连接作用，不做句子成分；which哪一个；who做主语，指代人；本从句中缺少主语，根据语境可知，物做主语。所以选A。考点：考查主语从句。
【名师点睛】本题考查学生对主语从句的掌握情况。主语从句是在句子中担当主语的是一个从句,这个从句就叫做主语从句。主语从句是在复合句中充当主语的从句，通常放在主句谓语动词之前或由形式主语it代替，而本身放在句子末尾。What 引导主语从句时在句时在从句中充当句子成分，如主语．宾语．表语。所以做此类题时看题中是否缺少成分，在选择连接词。
6.【2014·山东卷】7.It is difficult for us to imagine_____ life was like for slaves in the ancient world.A.where B.what C.which D.why 【答案】B 【解析】
试题分析：imagine后需要一个宾语，“life was like„”做imagine的宾语需要一个不做句子成分的引导词，同时这个句子中like缺少宾语，所以空格处缺少一个兼词what。句意为：很难想象古代奴隶的生活是什么样子的。故答案选B。考点：考查宾语从句的用法。
【名师点睛】本题考查学生对宾语从句的掌握情况，宾语从句在句子中起宾语作用的从句叫做宾语从句.宾语从句分为三类:动词的宾语从句,介词的宾语从句和形容词的宾语从句.What, whatever,引导名词性从句，且在名词性从句中作主语，宾语，表语，做题时看句子中是否缺少成分。然后判断出答案。7.【2014·江西卷】28.Among the many dangers_--sailors have to face, probably the greatest of all is fog.A.which B.what C.where D.when 【答案】A 【解析】
考点：考查定语从句
【名师点睛】本题考查定语从句中which的用法，which所代替的先行词是事物的名词或代词，在从句中可作主语、宾语等也就是说做题时要注意句子中是否缺少主语。宾语等成分，然后判断关系代词，学生要注意分析定语从句在不同情况下的应用，才能面对更多的题型。
8.【2014·四川卷】2.Grandma pointed to the hospital and said, “That's ______ I was born.” A.when
B.how
C.why
D.where 【答案】D 【解析】
试题分析: A何时；B谁；C为什么；D哪儿。系动词is后是表语从句，四个选项均为连接副词，故判断缺少状语，根据题干中给出的提示信息pointed to the hospital可知“奶奶”说的是出生的地点，故答案选D。句意：奶奶指着医院说，“那就是我出生的地方。” 考点：考查表语从句的用法。
【名师点睛】本题考查表语从句的用法，表语从句就是用一个句子作为表语。说明主语是什么或者怎么样，由名词、形容词或相当于名词或形容词的词或短语充当，和连系动词一起构成谓语。表语从句是名词性从句的一种。表语从句的基本结构是“主语+ 连系动词+ 关联词+ 表语从句”。做此类题时应该分析句子成分，指出主语谓语，看缺少何种成分。
9.【2014·福建卷】34.Pick yourself up.Courage is doing you're afraid to do.A.that B.what C.how D.whether 【答案】B 【解析】
【知识拓展】
在句子中起宾语作用的从句叫做宾语从句。宾语从句分为三类：动词的宾语从句，介词的宾语从句和形容词的宾语从句。连接宾语从句的从属连词主要有that, if, whether，和疑问词（what，how，where，when...)。
考点：考查宾语从句。
【名师点睛】本题考查学生对宾语从句的掌握情况，宾语从句在句子中起宾语作用的从句叫做宾语从句.宾语从句分为三类:动词的宾语从句,介词的宾语从句和形容词的宾语从句.What引导名词性从句，且在名词性从句中作主语，宾语，表语，做题时看句子中是否缺少成分。学生必须仔细斟酌句子成分，然后再作判断。
10.【2014·江苏卷】26.—What a mess!You are always so lazy!—I’m not to blame, mum.I am ________ you have made me.A.how 【答案】B 【解析】
试题分析：考查名词性从句用法。本题考查的是表语从句，注意动词make后接双宾语，即make sb.sth.故用关系词what来引导。句意：——怎么这么乱啊！你总是这么懒！——我不应该受到责备，妈妈。我是你使得我这样的。故B正确。考点：考名词性从句用法
【名师点睛】本题考查考生对名词性从句的掌握情况，做名词性从句的题时，先划分句子结构，找出从句是什么，然后看主句完整不完整，如果主句不完整，就是主语从句、宾语从句、表语从句三者之一；如果主句完整，就是同位语从句。这里就是一个表语从句，从句子成分中分析出正确答案。
11.【2014·陕西卷】15.________ the delayed flight will take off depends much on the weather.A.Why 【答案】B 【解析】试题分析：考查主语从句。句意：被延误的航班何时起飞依天气而定。题干中主句的谓语动词为depends，为此前面是主语从句。Why在主语从句中做原因状语；when在主语从句中作时间状语；that在主语从句中不做任何成分；what在主语从句中作主语或宾语。根据语境判断主语从句中缺少时间状语，故选B.When
C.That
D.What B.what
C.that
D.who B。
考点：考查主语从句
【名师点睛】本题考查考生对主语从句，主语从句是在句子中担当主语的是一个从句,这个从句就叫做主语从句。主语从句是在复合句中充当主语的从句，通常放在主句谓语动词之前或由形式主语it代替，而本身放在句子末尾。本题 when在主语从句中作时间状语，所以做此类题时看题中是否缺少成分，再选择连接词。
12.【2014·湖南卷】24.As John Lennon once said，life is_____ happens to you while you are busy making other plans.A.which 【答案】C 【解析】 B.that C.what
D.where
考点：考查名词性从句用法
【名师点睛】本题考查考生对名词性从句的掌握情况，定语从句作用相当于形容词，修饰主句中的一个名词或代词或整个句子，同位语从句是对前面的名词做进一步解释，说明该名词的具体内容的句子。本题中说的那个 “句子中宾语或主语用一个句子来代替就是该种从句”用一个句子来代替宾语或主语，那就属于主语从句或宾语性从句了。所以做题时仔细分析题干，才能更好地做好题。
13.【2014·浙江卷】8.“Every time you eat a sweet, drink green tea.” This is _____ my mother used to tell me.A.what
B.how
C.that
D.whether 【答案】A 【解析】
【知识拓展】这四个词在引导表语从句的区别：what引导的表语从句，它在从句中作主语或宾语；how引导的表语从句，它在从句中作状语；that引导的表语从句，它在从句不做成分，没有词义；whether引导的表语从句，它在从句中作主语或宾语不做成分，但是有“是否”的含义。考点：考查表语从句。
【名师点睛】本题考查考生对表语从句的掌握情况，表语从句放在连系动词之后，充当复合句中的表语。
表语从句由关联词+简单句构成。表语从句就是一个句子在整个句子中处于表语的位置，通常情况下放在系动词之后。英语中的系动词不多，放在系动词后面的句子、单词、词组通常作的是表语。最常见的系动词是be动词。所以做题时仔细分析题干，才能更好地做好题。
2013年高考英语试题分类汇编之单项填空
专题10—名词性从句
1.【2013浙江】The only way to succeed at the highest level is to have total belief ______ you are better than anyone else on the sports field.A.how B.that C.which D.whether 【答案】B 【解析】
试题分析：考查名词性从句。此处是由that引导的同位语从句，指代belief的具体内容，同时从句中不缺少成分，所以用that引导，这里选B项。
【名师点睛】同位语从句和定语从句不一样，同位语从句是对同位词内容的说明不是修饰，同位语从句的that不能省略。定语从句引导词that在从句中做成分，做宾语的时候可以省略。注意二者的区别。2.________ you said at the meeting describes a bright future for the company.A.When B.How C.What D.That 【答案】C 【解析】
试题分析：考查名词性从句。此处you said 需要宾语。describes a bright future for the company需要主语，只有what能满足要求。句意：你会上所说的话是对公司发展前景的一个很好的描述。
【名师点睛】考查名词性从句的连接词要学会分析句子成分。如果主语从句缺少主宾表，用what连接主语从句，如果不缺成分，用that连接，引导主语从句的that在从句中不做成分，只起到连接的作用。3.It remains to be seen the newly formed committee’s policy can be put into practice.A.that B.which C.what D.Whether 【答案】D 【解析】 试题分析：考查名词性从句。题干中it作形式主语，所填词引导的从句作真正的主语，引导词在从句中不作成分，但其意思是：是否，用whether引导，故选D。句意：新成立的委员会的政策是否能够付诸实施还有待观察。
【名师点睛】主语从句是在复合句中充当主语的从句，通常放在主句谓语动词之前或由形式主语it代替，而本身放在句子末尾。根据句意可知需要whether，而且It remains to be seen whether可以当成固定句型记忆。
4.________struck me most in the movie was the father's deep love for his son.A．That B．It C．What D．Which 【答案】C 【解析】
试题分析：考查名词性从句。________ struck me most 是主语从句，在这个从句中缺主语，因此用what引导。
【名师点睛】看到名词性从句的题目首先判断是什么名词性从句。其次看从句的成分。如果从句缺少主宾表，用what连接，如果不缺成分，用that连接，引导主语从句的that在从句中不做成分，只起到连接的作用，学生要会分析句子成分。
5.Police have found ________ appears to be the lost ancient statue.A.which 【答案】D 【解析】 B.where
C.how
D．what 的数量，故选D。句意：警察已经找到了好像是失踪的古代雕像的东西。
【名师点睛】看到名词性从句的题目首先判断是什么名词性从句。其次看看从句的成分。根据found可知后面是宾语从句。宾语从句缺少主语，用what连接，如果不缺成分，用that连接，只起到连接的作用，不做成分。
6.Do not let any failures discourage you, for you can never tell ________ close you may be to victory.A.how B.that
C.which
D.where 【答案】A 【解析】
【名师点睛】解答名词性从句的题目首先判断是什么名词性从句。其次看看从句的成分。根据tell可知后面是宾语从句。宾语从句中形容词close前面缺少修饰语。用how对它进行修饰。
7.It's good to know ________ the dogs will be well cared for while we're away.A.what B.whose C.which D.that 【答案】D 【解析】
试题分析：考查名词性从句。句中的it是形式主语，________ the dogs will be well cared for while we're away是真正的主语，用引导词that。句意：非常高兴知道，我们不在的时候这些狗会被照顾得很好。【名师点睛】主语从句是在复合句中充当主语的从句，通常放在主句谓语动词之前或由形式主语it代替，而本身放在句子末尾。解答这类题目，关键在于分析清楚句子结构。引导主语从句的that在从句中不做成分，只起到连接的作用。
8.________ I want to tell you is the deep love and respect I have for my parents.A.That B.Which C．Whether D．What 【答案】D 【解析】
试题分析：考查名词性从句中主语从句连接词的用法。分析句子结构知，此句的谓语是is，其前是主语从句，从句中谓语动词want后缺宾语，故用what引导名词性从句。句意：我想告诉你的是我对我父母的深深的爱和尊敬。
【名师点睛】如果主语从句缺少主宾表，用what连接主语从句，如果不缺成分，用that连接，引导主语从句的that在从句中不做成分，只起到连接的作用，学生要会分析句子成分。表语从句也是这样。9.From space, the earth looks blue.This is ________ about seventy－one percent of its surface is covered by water.A．why B．how C．because D．whether 【答案】C 【解析】 试题分析：考查表语从句。语境中“地球表面约71%被水覆盖”和“从太空上看，地球是蓝色的”之间是因果关系，故用because引导表语从句。
【名师点睛】连接表语从句的连接词有：that, what, who, when, where, which, why, whether, how, whoever，whomever，whichever，whatever等。还有如because, as if, as though等。解答这类题目，关键在于分析清楚句子结构。通过判断引导词在从句中所作的成分及意义，来选择正确的引导词。10.________ makes the book so extraordinary is the creative imagination of the writer.A.That B.What C.Who D.Which 【答案】B 【解析】
试题分析：考查名词性从句的连接词。is之前为主语从句，该从句缺主语，指的是事物，所以选B。【名师点睛】主语从句是在复合句中充当主语的从句，通常放在主句谓语动词之前或由形式主语it代替，而本身放在句子末尾。解答这类题目，关键在于分析清楚句子结构。通过判断引导词在从句中所作的成分及意义，来选择正确的引导词。连接主语从句的从属连词主要有that, if, whether，和疑问词（what how where when...)。that引导表示陈述句的主语从句，if和whether，whether...or not引导表示“是否”，引导一般疑问句。连接代词主要有who,whom,whose,what,whoever,whomever,whosever,whatever,whichever等。连接代词一般指疑问，但what, whatever除了指疑问外，也可以指陈述。连接副词主要有when, where, why, how, whenever, wherever, however等.11.Experts believe ________ people can waste less food by shopping only when it is necessary.A.why B.where C.that D.what 【答案】C 【解析】
试题分析：考查名词性从句的连接词。believe后的宾语从句陈述的是一个事实，并且从句中不缺成分，所以只需填入关系词that即可。
【名师点睛】宾语从句属于名词性从句一种，宾语从句中的连接词that, whether, if在句中不充当任何成分，只起连接作用；连接代词who(ever), which(ever), whom(ever)，whose(ever)，what(ever)在句中做主语，宾语，表语和定语；连接副词when, why, where, how，在句中做状语。应从上下句的句法关系着手分析，同时注意宾语从句的语序问题。
第五篇：高二英语语法复习—名词性从句（定稿）
高二英语语法复习—名词性从句
英语组钟昌亮
一、翻译：台湾属于中国。
1.我们都知道台湾属于中国。
2.事实是台湾属于中国。
3.台湾属于中国是大家都知道的。
4.我们都知道这个事实—台湾属于中国。
名词性从句相当于一个名词短语,在复合句中分别充当主语、宾语、表语和同位语,所以被称为以上四种从句。
二、名词性从句引导词
1.从属连词
2.连接代词（既起连接作用，本身又作从句中的主语，宾语，表语或定语）
3.连接副词（既起连接作用，本身又作从句的状语）
三、名词性从句考点：
1、连接词的选用
we can’t get seems better than ___we have.A.What;whatB.What;thatC.That;whatD.That;that
2.---I drove to Zhuhai for the air show last week.---Is that _____you had a few days off?
A.whyB whenC.whatD where
A.forB.thatC.at whichD.which
解题技巧:连接词的选用看从句所缺的成分----缺什么补什么
2、that/what引导名词性从句的区别
that:引导四种名词性从句。在从句中不充当成分，只起连接作用。
what:引导主，宾，表语从句。在从句中充当主，宾，表语成分，还起连接作用（“什么，…东西/事情”).Ex._____ made the school proud was______ more than
90％ of the students had been admitted to key universities
A.What;becauseB.What;thatC.That;whatD.That;because 找出下列句子中的错误，并总结出考点：
1.Can you tell me how many students are there in your class?
2.I don't know where has he gone.3.The owner of the shop came to see what the matter was.４.He wondered why he doesn’t come.3.名词性从句用陈述语序解题技巧：找准从句的主语和谓语—S+V（从句为陈述语序）
5.We suggested that we would go to the cinema.6.My suggestion is that we must do our homework first.7.His proposal that we went there on foot is acceptable.4.名词性从句中的虚拟语气
判断正误
1.If we shall attend the meeting hasn't been decided yet.（）
2.The question is whether the film is worth seeing.（）
3.The news if our team has won the match is unknown.()
4.It all depends on if they will support us.()
5.He asked me whether I could go with him or not.()
6.I didn’t know whether to go there.()
7..It is doubtful whether/if he will come here.()
5.whether,if 引导名词性从句的区别
选择正确答案
1.He didn’t make _____ clear when and where the meeting would be held.A.thisB.thatC.itD.these
2._____ felt funny watching myself on TV.A.OneB.ThisC.ItD.That
3.It is obvious to the students _____ they should get well prepared for their future.A.asB.whichC.whetherD.that
6.it作形式主语，宾语的情况.解题技巧:观察句末是否有真正的主语或宾语
7.连词that引导的同位语从句与关系代词that引导定语从句的区别.观察：
1）The news that our football team won the match was encouraging.()
2)The news(that)you told me yesterday was true.()
解题技巧:观察先词与从句之间的关系---先行词与同位语从句是同等关---n.=从句 关系代词that引导定语从句时，一方面起引导定语从句的作用，另一方面，that在定语从句中担当主语，宾语或表语，that引导的定语从句时残缺的。
Summary：
一.名词性从句的种类及其定义。
二.名词性从句考点：
1.名词性从句连接词的选择
2..that/what
3.名词性从句用陈述语序
4.名词性从句中的虚拟语气
5.whether/if
6.it作形式主语和形式宾语。
7..that引导同位语从句与定语从句的区别
名词性从句试题：
1.The doctor thought ______would be good for you to have a holiday.（全国Ⅱ）
A.thisB.thatC.oneD.it
2.We haven’t discussed yet ______ we are going to place our new furniture.(全国I）
A.thatB.whichC.whatD.where
is in charge of International Sales please?(全国I）
A.whoB.whatC.whoeverD.whatever
that haman beings are naturally equipped to speak.（全国Ⅱ）
A.saidB.to sayC.sayingD.being said
5.It is necessary that a college student____ at least a foreign language.A.mastersB.should masterC.masteredD.will master
6.See the flag on the top of the building?That is ____ we did this morning(全国卷I)
A.whenB.whichC.whereD．what
7.The fact has worried many the earth is becoming warmer andwarmer these years.A.whatB.whichC.thatD.though
（全国Ⅱ）
A.WhatB.whyC.whereD.Which.9.One reason for her preference for city life is places like shops and restaurants.A.thatB.howC.whatD.why.10.Please remind me he said he was going.I may be in time to see him off.（全国I）
A.whereB.whenC.howD.what
he goes with, whether his friend or relatives.A.whatB.whoC.howD.why
12.----How about camping this weekend,just for a change?
you want.A.whichever B.howeverC.whateverD.whoever
13.---What did your parents think about your decision?
---They always let me do _______ I think I should.（全国II）
A.whenB.thatC.howD.what
14It is uncertain side effect the medicine will bring about, although
about two thousand patients have taken it.A．thatB．whatC．howD．whether
15.Cindy shut the door heavily and burst into tears.No one in the office knew _____she was so angry.A.whereB.whetherC.thatD.why
16.—Have you finished the book?（全国Ⅱ）
---No, I’ve read up to_________the children discover the secret cave.A.whichB.whatC.hatD.where
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