第一篇：英语中六大从句用法总结
英语中六大从句用法总结
1.主语从句
1）主语从句可直接位于主语的位置，如果从句较长，谓语又较短，可用it作形式主语，而将从句放在句末。常见的句型有：
*It is a facta pitya questiongood news that...*It seemsappearshappenedhas turned out that...*It is clearimportantlikelypossible that...*It is saidreportedestimatedhas been proved that...It is said that comic books create a connection between people of the same generation.It seems that the performance is very useful.2)what引导的主语从句表示“...的东西时”，一般不用it作形式主语。
What we lack is experience.3)what,who,when,why,whether等词含有各自的疑问意义，但它们引导的主语从句，都用陈述语序。
How the plan is to be carried out should be discussed again.I did know why I felt like crying.2.宾语从句
1）宾语从句可位于及物动词、介词和某些形容词后。连词that常可省略。介词后一般接疑问词引导的宾语从句。in that(因为),except that(除了),but that(只是）已构成固定搭配，其他介词后一般不接that引导的宾语从句。
*I promised that I would change the situation.*All this is different from what American young people would say about friendship.*He is certain that watching so much television is not good for children.*This article is well-written except that it is a bit too long.2)宾语从句后如有宾补，要用形式宾语it来代替，而把宾语从句移至宾补之后。
He has made it clear that he would not change his mind.3)在think,believe,suppose,expect等动词后的宾语从句中，如果谓语是否定的，一般将否定词移至主句谓语上，宾语从句则变成肯定形式。
He didn't think that the money was well spent.3.表语从句
表语从句出现在结构为“主语+系动词+表语从句”的句子中。表语从句除可用that,what,when,why,whether,how等引导外，还可由because,as if(though)等引导。that常可省略。如主句主语为reason,只能用that引导表语从句，不可用because.Perhaps the most important thing to remember is that there is no one common type of life in America.The reason why so many people died there is that there were not enough food supplies.It looks as if successful international cultural communication will make the world smaller.4.同位语从句
同位语从句用于对前面出现的名词作进一步说明，一般用连词that引导，由于先行名词的意义不同，也可用whether,who,when,where,what,why,how等引导。常见的先行名词有fact,idea,belief,news,hope,conclusion,evidence,suggestion,order,problem,report,decision.有时由于谓语较短，将同位语从句位于谓语之后。
She finally made the decision that she would join the fashion show.I had no idea how many books I could borrow at a time.The news came that their team had won the championship.5.定语从句
定语从句所修饰的先行词可以是名词或代词，也可以是一个句子。定语从句通常位于先行词之后，由关系代词或关系副词引导。
*限制性定语从句
限制性定语从句修饰先行词，对先行词起修饰作用，紧接先行词之后，无逗号，若省去，原句意思不完整。引导定语从句的关系代词有who,whom,whose,which,that等。who,whom,whose用于指人，whose有时也可指物，相当于of which；which用于指物；that既可指人也可指物，但只用于限制性定语从句中。关系代词除了引导定语从句，替代先行词外，还在从句中担任主语、宾语、定语等。
The computers and cables which make up the Internet are owned by people and organizations.Those who live alone or who are sick may have trouble in getting close to other people.The girl whose parents died in an accident is living with her grandmother.1)当先行词是all,anything,everything,something,nothing等不定代词或先行词前有first,last,any,few,much,some,no,only以及形容词最高级修饰时，只能用关系代词that引导从句。
That is all that I've heard from him.He's the first person that I'm going to interview this afternoon.2)关系代词的省略
在从句中作宾语的关系代词常可省略。关系代词紧跟介词，作介词宾语时不可用that，只可用which或whom引导从句，并且不可省略，但当介词位于宾语从句句末时，作为介词宾语的关系代词仍可用that，也可省略。
This is one of those things with which we have to put up.This is one of those things(whichthat)we have to put up with.3)引导定语从句的关系副词有when,where,why等。关系副词在从句中作状语，意义上相当于一个“介词+which”的结构。
Even in comic books where(=in which)there are no words,the stories are fully expressed through the drawings.No one knows the reason why(=for which)he was so angry that day.*非限制性定语从句
非限制性定语从句既可修饰先行词，也可修饰整个主句，起补充说明作用，与主句之间有逗号隔开，若省去，原句意思不受影响。不可用that引导非限制性定语从句。关系词不可省略。
Every object has a gravitational pull,which is rather like magnetism.*“介词+whichwhomwhose”引导的定语从句
“介词+whichwhomwhose”可引导限制性定语从句，也可引导非限制性定语从句，该结构中介词的选择取决于从句谓语动词的固定搭配，或先行词的习惯搭配。
This is the computer on which he spent all his savings
It is written by a person with whom we are all familiar.*as引导的定语从句
as引导的定语从句主要用于“such...as”及“the same...as”的结构中，代替先行词是人或物的名词。as引导非限制性定语从句时，代替整个主句，从句可位于主句之前、之后或中间。
These are not such problems as can be easily solved.(as代替先行词problems)
As is mentioned above,no single company or group can control what happens on the Internet.(as代替主语)
6.状语从句
*时间状语从句
引导时间状语从句的从属连词和词组有：
1）when,whenever,while,as,after,before,since,till,until,once等。
We have learnt quite a lot about it since we came here.2)as soon as,hardly(scarcely)...when,no sooner...than,each(every)time,the moment,immediately(that)等。
As soon as I sent an e-mail message,I received positive responses.The moment he heard the good news,he jumped with joy.*地点状语从句
引导地点状语从句的连词是where,wherever.Wherever she went,she took her little daughter with her.*原因、结果和目的状语从句
1）引导原因状语从句的从属连词有：because,as,since,now(that),seeing that,considering that,in that等。
Considering that he is a freshman,we must say he is doing well.2)引导结果状语从句的连词有：so...that,such...that ,so that,that,so等。
Mickey Mouse is so attractive that the children are reluctant to leave.3)引导目的状语从句的连词有：so that,in order that,for fear that,lest等，从句常使用may,might,can,could,would等情态动词。
We got up early this morning so that we could catch the first bus to the railway station.*条件和让步状语从句
1）引导条件状语从句的连词和词组有if,unless,as(so)long as,on condition that,in case,provided(providing)that,supposing等。
As long as you have the right equipment,you can use a telephone line to transmit computer data.2)引导让步状语从句的连词和词组有though,although,whether,even though,even if,no matter what(when,how...),whatever(whenever,wherever,however....)等。though,even if等引导状语从句可转换成含有as的部分倒装结构，具有强调意义。其结构为“形容词（副词、动词、名词）+as+主语+谓语”。
No matter what you may say,I would not change my mind.Young as he is,he is quite experienced in this work.(=though he is young)Child as he is,he can speak English fluently.(=though he is a child)
*方式状语从句
引导方式状语从句的连词有as,just as,as if,as though等。as if,as though引导的状语从句中，谓语动词常用虚拟语气，表示与事实相反。
The young man made the experiment just as the teacher had taught him.Everything went on as usual as if nothing had happened.总结
从句（Subordinate Clause）是复合句中不能独立成句，但具有主语部分和谓语部分，由that、who、when等引导词（Connective）引导的非主句部分。[编辑本段]分类
从句有主语从句、表语从句、宾语从句、同位语从句、定语从句和状语从句6类。前四类由于主语从句、表语从句、宾语从句及同位语从句在句子的功用相当于名词，所以通称名词性从句；后两类定语从句和状语从句功用相当于形容词，称为形容词性从句。状语从句还可以分为条件状语从句、原因状语从句、方位状语从句和时间状语从句。
1.主语从句（Subject Clause）：用作主语的从句叫主语从句。引导主语从句的关联词有从属连词、疑问代词、疑问副词、缩合连接代词、缩合连接副词等。
2.表语从句（Predicative Clause）：用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都一样。
3.宾语从句（Object Clause）：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。[编辑本段]宾语从句
第一部分
一.、定义：
宾语从句就是一个句子作动词或介词的宾语。
二、学习宾语从句要抓住三要素：连接词、语序和时态。
连接词一般都是that(指事务或人),which（指事）,who（指人）
1．从句为陈述句，常选择连接词that或将that省略，直接与主句相连。
2．从句为一般疑问句，常选择连接词if或whether。在whether…or not结构中不能用if替换。
3．从句为特殊疑问句，常选择what,when,where,which,who,how等的疑问代、副词作连接词。
★当who为主语时，句式为：who+谓语+其他
判断时态情况：
1.主句是一般现在时，从句为各种时态情况
2.主句是一般过去时，从句为各种相应过去时态注意：从句描绘客观事实，用一般现在时
3.主句是一般将来时，一般从句为一般现在时（“主将从现”）
例题：
〈1.The teacher told the children that the sun＿＿＿＿ round.A.was B.is C.were D.are
〈2.I believe that our team＿＿＿＿ the basketball match.A.win B.won C.will win D.wins
〈3.I don’t know＿＿＿＿ to visit the old man.A.whether B.if C.that D.who
〈4.The soldiers soon reached()was once an old temple()the villagers used as a school.A.which;where B.what;which C.where;which D.what;where
答4：选B，动词reach后接宾语从句，从句缺少宾语，where不可，which引导宾语从句时表疑问含义“哪一个…”而此句中并非疑问含义，不知道哪一座庙宇，而是用what从句表陈述含义，意“过去的一座旧庙宇”；temple后为对其修饰的定语从句，用关系代词which代替，并在从句中作动词used的宾语，use sth.as…“把…用作…
宾语从句，在复合句中作宾语，位于及物动词后；
Tell him which class you are in ．
Do you know what he likes？
(1)主、从句时态一致：
主句谓语过去时，从句相应过去时；
He answered that he was listening to me.主句谓语现在时，从句时态任所需；
He says(that)he will leave a message on my desk.They know(that)he is working hard.具体过去永不变，真理格言现在时；
He told me that he was born in 1980.Father told me that practice makes perfect.（2）否定前移，及完成反意问句；
在think / believe / suppose / guess / imagine / expect等动词后跟宾语从句否定式时，应转移到主句上去，完成反意疑问句时，应与从句主、谓保持一致。（注: 否定前移的条件是，主句主语是第一人称）
I don't think you are right ,are you ?
I don't believe they have finished their work yet,have they ?
（3）在表示建议 suggest , advise
要求demand、desire、require、request、propose；
决定 decide;命令 order、command;坚决主张 insist;
等动词后跟宾语从句，用（should）+v．（虚拟语气）
eg． I suggested that you（should）study hard．
He ordered that we should go out at once．
（4）如果宾语从句后有宾语补足语，用it作形式宾语，把宾语从句后置
eg．You may think it strange that he would live there．
（5）宾语从句that常可省略，但在以下情况下不能省略
A．当主句谓语动词带有两个或两个以上宾语从句时，可以省略第一个that，其他不能省略。
eg．I believe（that）you have done your best and that things will get bet?鄄ter．
B．当it作形式宾语时
eg．She made it clear that she had nothing to do with him．
C．当宾语从句前置时
eg．That our team will win，I believe．
三、分类
A、作动词的宾语:
eg．I heard the news
I 主语 heard 谓语动词 the news.名词作宾语
I主语 heard 谓语动词 that he would come here later on.一个句子作宾语---宾语从句
B、作介词的宾语:
eg．He said nothing about this plan。
He主语 said 谓语动词 nothing 代词作动词的宾语 about 介词 the plan.名词作介词的宾语
四、带有宾语从句的复合句的构成:
带有宾语从句的复合句就是用连接词把一个主句和一个宾语从句连接在一起。连接词有：that(可省略)，what, who, when, where, why, which, if, whether, how.五、注意：
A 宾语从句必须用陈述语序。
False: He is wondering when can he finish this difficult job.Right: He is wondering when he can finish this difficult job.B 有时候可以用it 作形式宾语，而把真正的宾语从句放在后面。
Bad: I thought that he could finish this job in just two hours impossible.Good: I thought it impossible that he could finish this job in just two hours.Bad: He left whether we should continue this project to my judgment.Good: He left it to my judgment whether we should continue this project.C 带有宾语从句的复合句的否定形式一般是否定主句。
Bad: I think he doesn’t like the English teacher.Good: I don’t think he likes the English teacher.D False: He wanted to know why he is crying in the corner.Right: He wanted to know why he was crying in the corner.4.同位语从句（Appositive Clause）： 与先行词同位或等同的从句叫作同位语从句。其关联词多为that。
5.定语从句（Attributive Clause）：用作定语的从句叫定语从句。定语从句一般皆放在被它所修饰的名（代）词之后，这种名（代）词就叫作先行词（Antecedent）。引导定语从句的关联词为关系代词(或称引导词、关系词等）。关系代词在定语从句中可用作主语、宾语、定语等；关系副词在定语从句中用作状语。
①引导定语从句的关联词有who, whom, whose, that, when, where, why 和 which.在非限制定语从句中, 只可用which, who, whose, where , when., 如果指代前面整个句子, 多用which.例句：
The dog that/which was lost has been found.（失踪的狗已经找到了。）
Those who are in favor of the proposal are expected to discuss it in detail after the meeting.（有人认为那些对这个提案有兴趣的人最好是在会后再具体讨论它。）
There are many organizations whose purpose is to help the homeless.（存在着许多旨在帮助无家可归者的组织。）
The days when we had to rely on wool, cotton or silk for our clothes have now passed.（那种必须依赖羊毛，棉花或者蚕丝做衣服的日子已经过去了。）
Air moves from places where the pressure was high to places where the pressure is low.（空气从压强高的地方流向压强低的地方。）
This is the reason why he refused to help us.（这就是他拒绝帮助我们的原因。）
He was born in 1976, when an earthquake struck the country.（他出生于1976年，这一年这个城镇发生了地震。）
They turned a blind eye to the suffering of the people, which enraged all of us.（他们对受苦人们的漠视激怒了我们。）
② 当引导定语从句的先行词前有all, any, no, little, much, very first 等词, 或先行词前为形容词最高级所修饰时,或先行词为all, anything, nothing, something, everything 时,从句的引导词只能用that.The only thing that matters to the children is how soon they can have their holiday.（孩子们唯一关心的是他们什么时候放假。）
These are the very points that puzzle me.（真正困扰我的是这些观点。）
Is there anything that bothers you?（有什么事烦着你吗？）
This is the best film that was ever produced by the company.（这部是那个公司有史以来拍摄得最好的电影。）
③as 可做引导词引导定语从句, 多和such, the same 连用.As 引导的定语从句也可修饰整个句子, 既可放在先行词后,也可放在句子开头.例句：
Such people as you describe are rare nowadays.（你描述的那一类人现在很少了。）
The boy was run over by a motor-car, as often happened in pre-liberation Shanghai.（那个男孩被一辆摩托轧过去了，这种事在解放前的上海是不少见的。）
As is often the case, the girl forgot to bring her dictionary.（正如往常一样，这个女孩又忘了带上字典。）
We are opposed to such ideas as are not based upon objective facts.（我们是反对这种毫无事实根据的想法的。）
④介词+which/whom/whose从句
The driver is the man from whose room she had stolen the gold watch.（她就是从那个司机的房间偷了金表的。）
Language is a tool by means of which people communicate ideas with each other.（语言就是人们用来和其他人交流的一种工具。）
Jane spent all evening talking about her latest book, of which none of us had ever heard.（Jane一晚上都在谈论着也最近学课本，那些内容我们闻所未闻。）
例题：
Water dissolves a part of nearly everything _______ it comes in contact.a.where b.that c with which d as soon as
⑤代/名+介词+which 从句
He is needing a book, the name of which I don't know.（他需要一本书，但是我不知道书名。）
In factories and in our daily life, there are many waste materials, all of which can he turned into useful things under certain condition.（在工厂里，在我们的日常生活中都有很多垃圾，其实这些垃圾在某种情况下是可以转变为有用的东西的。）
To make an objective test the teacher writes a series of questions, each of which has only one correct answer.（为了能够客观地测试，老师写了一串答案唯一的问题。）
⑥同位语从句和定语从句
The news that he has been admitted by Harvard University is very pleasing.（他被哈佛大学录取的消息非常令人兴奋。）
The news that you told me was really exciting.（你告诉我的好个消息真的是很激动人心。）
⑦ 难句:
NO.1He is one of the men who were chosen to represent the group.（他是被选为代表该团队的人中一员。）
NO.2He is the only one of those boys who is willing to take on another assignment.（他是那些男孩中唯一一个愿意再接受任务的人。）
NO.3I shall never forget the day when we first met.第二部分
一、时态
1·主句用一般现在时，从句可用任意时态。
2·主句用过去时，从句用过去某个时态。
3·主句用过去时，从句是真理时，只用一般现在时。
二、宾语从句的几类连接词：
①从属连词
连接宾语从句的从属连词主要有that，if，whether.that引导表示陈述句的宾语从句,而if和whether引导表示“是否”的宾语从句.例句：
He told that he would go to the college the next year
他告诉我他下一年上大学.I don’t know if there will be a bus any more.我不知道是否还会有公交车.Nobody knew whether he could pass the exam.没人知道他是否会通过考试.②连接代词
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.例句：
Do you know who has won Red Alert game?
你知道谁赢了这一局红警游戏吗?
I don’t know whom you should depend on.我不知道你该依靠谁.The book will show you what the best CEOs know.这本书会告诉你最好的执行总裁该了解些什么.Have you determined whichever you should buy,a Motorola or Nokia cell phone?
你决定好是买诺基亚还是摩托罗拉的电话了吗?
③连接副词
连接副词主要有when,where,why,how,whenever,wherever,however等.例句：
He didn’t tell me when we should meet again.他没有告诉我什么时候我们能再见面.Could you please tell me how you read the new panel?
你能展示给我怎么用这个新的操作盘吗?
None of us knows where these new parts can be bought.没有人知道这些的新的零件能在哪里买到.三、动词的宾语从句
大多数动词都可以带宾语从句
We all expect that they will win , for members of their team are stronger.我们都预料他们会赢,因为他们的队员更强壮.He told us that they would help us though the whole work.他告诉我们在整个工作中,他都会帮忙的.★部分“动词+副词”结构也可以带宾语从句
例句：
I have found out that all the tickets for the concert have been sold out.我发现这场音乐会的所有票都卖光了.Can you work out how much we will spend during the trip?
你能计算出这次旅行我们将花费多少钱吗?
★动词短语也可以带宾语从句
常见的这些词有：make sure确保 make up one’s mind下决心 keep in mind牢记
例句：
Make sure that there are no mistakes in your papers before you turn them in.在上交试卷前确保没有任何错误.四、可运用形式宾语it代替的宾语从句
①动词find,feel,consider,make,believe等后面有宾语补足语的时候,则需要用it做形式宾语而将that宾语从句后置.例句：
I think it necessary that we take plenty of hot water every day.我认为每天多喝开水是有必要的.I feel it a pity that I haven’t been to the get-together.我没去聚会,感觉非常遗憾.I have made it a rule that I keep diaries.我每天写日记成了习惯.We all find it important that we(should)make a quick decision about this mater.我们都认为对这件事马上做出决定很重要.②有些动词带宾语从句时寻要在宾语与从句前加it
这类动词主要有:hate, take , owe, have, see to.例句：
I hate it when they with their mouths full of food.我讨厌他们满嘴食物时说话.He will have it that our plan is really practical.他会认为我们的计划确实可行.We take it that you will agree with us.我们认为你会同意我们的.When you start the engine, you must see to it that car is in neutral.开启发动机时, 一定要使汽车的离合器处于空挡位置.③若宾语从句是wh-类,则不可用it代替
例句：
We all consider what you said to be unbelievable.我们都认为你所说的是不可信的.We discovered what we had learned to be valuable.我们发现我们所学到的东西都是有用的.五、介词的宾语从句
用wh-类的介词宾语从句
例句：
We are talking about whether we admit students into our club.我们正在讨论是否让学生加入我们的俱乐部.The new book is about how Shenzhou 6 manned spaceship was sent up into space.这本新书是关于神州6号载人航天飞船是如何升如太空的.★用that,if引导的介词宾语从句有时候except,but,besides三个介词后可见到that引导的宾语从句
例句：
I know nothing about my new neighbor except that he used to work with a company.对于我的新邻居我只知道他曾在一家公司上班,其他一无所知.六、形容词的宾语从句
常用来引导宾语从句的形容词有: sure,certain,glad,please,happy,sorry,afraid,satisfied,surprised
例句：
I am sure I will pass the exam.我确信我会通过考试.I am sorry that I have troubled you so long.很抱歉我这么长时间在打扰你.He is glad that Li Ming went to see him when he was ill.他很高兴在他生病的时候李明能去看望他.七、if,whether在宾语从句中的区别
①if和whether在作“是否”解时,引导宾语从句常放在动词know,ask,care,wonder,find out等之后,介词后一般不用if
②少数动词,如:leave,put,discuss,doubt后的宾语从句常用whether.③whether后可以加or not,但是if不可以.④在不定式前只能用whether.如： I can’t decide whether to stay.我不能决定是否留下。
⑤避免歧异时,我们常用whether而不用if.八、哪些宾语从句不可以省略引导词that
1.当that作learn,suggest,explain,agree,wonder,prove,mean,state,feel,hold等动词的宾语时;
2.当宾语从句较长时;
3.当主语状语置于主句尾,宾语从句之前时;
4.当主语谓语动词(包括非谓语动词)与宾语从句之间有插入语时;
5.当一个动词带有两个或两个以上宾语从句时,此时第一个that可以省略,第二个that不可以省略;
6.当宾语从句中的主语是this,that或this,that做主语的定语时;
7.当宾语从句是双宾语中的直接宾语时;
8.当宾语从句的主语是非谓语动词或主语从句时;
9.当主语中的谓语动词是固定词组时;
10.当宾语从句有it做其先行词时;
11.在直接引语中,转述分句把宾语从句隔开时.九、宾语从句的否定转移
主句的谓语动词是think,believe,imagine,suppose,consider,espect,fancy,guess等,并且主句的主语是第一人称而且为一般现在时,从句的否定词一般要转移到主句上来,其反义疑问句一般与宾语从句一致.例句：
I don’t think he will come to my party.而不能说成I think he won’t come to my party.我认为他不会来我的舞会.I don’t believe that man is killed by Jim,is he?
我认为那个人不是Jim所杀的,是不是?
★如果宾语从句中有某个含有否定意义的形容词或副词,其反义疑问句要用肯定形式.例句：
We find that he never listens to the teacher carefully,does he?
我们发现他从来不仔细听老师讲课,是不是?
十、宾语从句的时态和语序
当主句为现在时或将来时的时候,宾语从句的时态一般不受主句的时态所影响。
当主句为过去时的时，细分为一下几种情况：
①从句用一般过去时或过去进行时表示与主句谓语动词动作同时发生
例句：
I only knew he was studying in a western country,but I didn’t know what country he was in.我只知道他当时在西方的一个国家读书,可不知道是哪个国家.He asked me if I was reading the story “The Old Man and the Sea ”when he was in.他问我他进来的时候我是否正在读<老人与海>.②从句过去完成时表示该动作发生在主句谓语动作之前
例句：
He told me that he had told Mary about the meeting already.他告诉我他已经把有关会议的事情告诉的了Mary.③从句谓语用过去将来时表示该动作发生在主句谓语动作之后
例句：
The reporter asked if the government would take necessary measures to put down the to-do.记者问政府是否会采取必要的措施镇压骚乱.★如果从句是一个客观真理,那么从句的时候不根据主句的时态而变化
例句：
The teacher said that the moon goes around the earth yesterday.老师昨天说月亮绕着地球转.★当宾语从句的引导词是who,which,what,when,where,how,why等表疑问时,不能按正常语序安排,经常将这类引导词置于句首
例句：
Who do you think the public might choose as their favorite singer this year?
你认为今年公众会选谁为他们最喜欢的歌手。[编辑本段]同位语从句
同位语从句用法比较“固定”,把关键的几个词背下来（下面这个材料供参考）：
一、在复合句中用作同位语的从句叫同位语从句。它一般跟在某些名词后面，用以说明该名词表示的具体内容。如：
I heard the news that our team had won．我听到了我们队获胜的消息。
I had no idea that you were here．我不知道你在这里。
二、可以跟同位语从句的名词通常有news，idea，fact，promise，question，doubt，thought，hope，message，suggestion，words（消息），possibility等。如：
I’ve come from Mr wang with a message that he won’t be able to see you this afternoon． 我从王先生那里来，他让我告诉你他今天下午不能来看你了。
三、英语中引导同位语从句的词通有连词 that，whether，连接副词 how,when,where等。（注：if,which 不能引导同位语从句。）如：
l have no idea When he will be back．我不知道他什么时候回来。
He must answer the question whether he agrees to it or not.他必须回答他是否同意这样一个问题。
四、有时同位语从句可以不紧跟在说明的名词后面，而被别的词隔开。如：
Several years later，word came that Napoleon himself was coming to inspect them．
几年以后，有消息传来说拿破仑要亲自视 察他们。
The thought came to him that maybe the enemy had fled the city．
他突然想起可能敌人已经逃出城了。
五、同位语从句与定语从句的区别。
1、同位语从句与前面的名词是同位关系，即说明它前面名词的内容；而定语从句与前面的名词是修饰与被修饰关系，即限定它前面的名词范围，或补充一些情况。如：
The news that l have passed the exam is true．我通过了考试这一消息是真的。
（同位语从句，即从句所表达的意思就是前面名词的内容。）
The news that he told me just now is true．他刚才告诉我的消息是真的。
（定语从句，从句对前面名词起修饰限制作用，即“他告诉我的”那个消息，而不是别的消息。）
2、引导同位语从句的that是连词，在从句中不充当任何成份，而引导定语从句的that是关系代词，除起连接作用外，还在从句中充当主语、宾语或表语等。如：
The idea that computers can recognize human voices surprises many people.计算机能够识别人的声音的想法使许多人感到惊奇。（that在从句中不充当任何成份。）
The idea that he gave surprises many people．他提出的观点令许多人感到吃惊。
（that在从句中作gave的宾语。）
一个名词(或其它形式)对另一个名词或代词进行修饰，限定或说明，这个名词(或其它形式)就是同位语。同位语与被它限定的词的格要一致，并常常紧挨在一起。
1)非独立的同位语：常出现在被限定词前
Bruce Lee(姓名)李小龙
Graf Schmidt(称号，浑名)施密特伯爵
Doktor Wang(职称，头衔)王博士
Uncel Liu(亲戚的称呼)刘叔叔
die Stadt Shanghai(类属名称)上海市
the Province Hebei(类属名称)河北省
das Jahr 2000(类属名称)2000 年
three Kilo tomato(度量名称)三公斤西红柿
the University Bremen(专有名词)不来梅大学
第二篇：高中英语中六大从句用法总结
英语中六大从句用法总结
1.主语从句
1）主语从句可直接位于主语的位置，如果从句较长，谓语又较短，可用it作形式主语，而将从句放在句末。常见的句型有：
*It is a facta pitya questiongood news that...*It seemsappearshappenedhas turned out that...*It is clearimportantlikelypossible that...*It is saidreportedestimatedhas been proved that...It is said that comic books create a connection between people of the same generation.It seems that the performance is very useful.2)what引导的主语从句表示“...的东西时”，一般不用it作形式主语。
What we lack is experience.3)what,who,when,why,whether等词含有各自的疑问意义，但它们引导的主语从句，都用陈述语序。
How the plan is to be carried out should be discussed again.I did know why I felt like crying.2.宾语从句
1）宾语从句可位于及物动词、介词和某些形容词后。连词that常可省略。介词后一般接疑问词引导的宾语从句。in that(因为),except that(除了),but that(只是）已构成固定搭配，其他介词后一般不接that引导的宾语从句。
*I promised that I would change the situation.*All this is different from what American young people would say about friendship.*He is certain that watching so much television is not good for children.*This article is well-written except that it is a bit too long.2)宾语从句后如有宾补，要用形式宾语it来代替，而把宾语从句移至宾补之后。
He has made it clear that he would not change his mind.3)在think,believe,suppose,expect等动词后的宾语从句中，如果谓语是否定的，一般将否定词移至主句谓语上，宾语从句则变成肯定形式。
He didn't think that the money was well spent.3.表语从句
表语从句出现在结构为“主语+系动词+表语从句”的句子中。表语从句除可用that,what,when,why,whether,how等引导外，还可由because,as if(though)等引导。that常可省略。如主句主语为reason,只能用that引导表语从句，不可用because.Perhaps the most important thing to remember is that there is no one common type of life in America.The reason why so many people died there is that there were not enough food supplies.It looks as if successful international cultural communication will make the world smaller.4.同位语从句
同位语从句用于对前面出现的名词作进一步说明，一般用连词that引导，由于先行名词的意义不同，也可用whether,who,when,where,what,why,how等引导。常见的先行名词有fact,idea,belief,news,hope,conclusion,evidence,suggestion,order,problem,report,decision.有时由于谓语较短，将同位语从句位于谓语之后。
She finally made the decision that she would join the fashion show.I had no idea how many books I could borrow at a time.The news came that their team had won the championship.5.定语从句
定语从句所修饰的先行词可以是名词或代词，也可以是一个句子。定语从句通常位于先行词之后，由关系代词或关系副词引导。
*限制性定语从句
限制性定语从句修饰先行词，对先行词起修饰作用，紧接先行词之后，无逗号，若省去，原句意思不完整。引导定语从句的关系代词有who,whom,whose,which,that等。who,whom,whose用于指人，whose有时也可指物，相当于of which；which用于指物；that既可指人也可指物，但只用于限制性定语从句中。关系代词除了引导定语从句，替代先行词外，还在从句中担任主语、宾语、定语等。
The computers and cables which make up the Internet are owned by people and organizations.Those who live alone or who are sick may have trouble in getting close to other people.The girl whose parents died in an accident is living with her grandmother.1)当先行词是all,anything,everything,something,nothing等不定代词或先行词前有first,last,any,few,much,some,no,only以及形容词最高级修饰时，只能用关系代词that引导从句。
That is all that I've heard from him.He's the first person that I'm going to interview this afternoon.2)关系代词的省略
在从句中作宾语的关系代词常可省略。关系代词紧跟介词，作介词宾语时不可用that，只可用which或whom引导从句，并且不可省略，但当介词位于宾语从句句末时，作为介词宾语的关系代词仍可用that，也可省略。
This is one of those things with which we have to put up.This is one of those things(whichthat)we have to put up with.3)引导定语从句的关系副词有when,where,why等。关系副词在从句中作状语，意义上相当于一个“介词+which”的结构。
Even in comic books where(=in which)there are no words,the stories are fully expressed through the drawings.No one knows the reason why(=for which)he was so angry that day.5.定语从句
*非限制性定语从句
非限制性定语从句既可修饰先行词，也可修饰整个主句，起补充说明作用，与主句之间有逗号隔开，若省去，原句意思不受影响。不可用that引导非限制性定语从句。关系词不可省略。
Every object has a gravitational pull,which is rather like magnetism.*“介词+whichwhomwhose”引导的定语从句
“介词+whichwhomwhose”可引导限制性定语从句，也可引导非限制性定语从句，该结构中介词的选择取决于从句谓语动词的固定搭配，或先行词的习惯搭配。
This is the computer on which he spent all his savings
It is written by a person with whom we are all familiar.*as引导的定语从句
as引导的定语从句主要用于“such...as”及“the same...as”的结构中，代替先行词是人或物的名词。as引导非限制性定语从句时，代替整个主句，从句可位于主句之前、之后或中间。
These are not such problems as can be easily solved.(as代替先行词problems)
As is mentioned above,no single company or group can control what happens on the Internet.(as代替主语)
6.状语从句
*时间状语从句
引导时间状语从句的从属连词和词组有：
1）when,whenever,while,as,after,before,since,till,until,once等。
We have learnt quite a lot about it since we came here.2)as soon as,hardly(scarcely)...when,no moment,immediately(that)等。
sooner...than,each(every)
time,the As soon as I sent an e-mail message,I received positive responses.The moment he heard the good news,he jumped with joy.*地点状语从句 引导地点状语从句的连词是where,wherever.Wherever she went,she took her little daughter with her.*原因、结果和目的状语从句
1）引导原因状语从句的从属连词有：because,as,since,now(that),seeing that,considering that,in that等。
Considering that he is a freshman,we must say he is doing well.2)引导结果状语从句的连词有：so...that,such...that ,so that,that,so等。
Mickey Mouse is so attractive that the children are reluctant to leave.3)引导目的状语从句的连词有：so that,in order that,for fear that,lest等，从句常使用may,might,can,could,would等情态动词。
We got up early this morning so that we could catch the first bus to the railway station.*条件和让步状语从句
1）引导条件状语从句的连词和词组有if,unless,as(so)long as,on condition that,in case,provided(providing)that,supposing等。
As long as you have the right equipment,you can use a telephone line to transmit computer data.2)引导让步状语从句的连词和词组有though,although,whether,even though,even if,no matter what(when,how...),whatever(whenever,wherever,however....)等。though,even if等引导状语从句可转换成含有as的部分倒装结构，具有强调意义。其结构为“形容词（副词、动词、名词）+as+主语+谓语”。
No matter what you may say,I would not change my mind.Young as he is,he is quite experienced in this work.(=though he is young)Child as he is,he can speak English fluently.(=though he is a child)
*方式状语从句
引导方式状语从句的连词有as,just as,as if,as though等。as if,as though引导的状语从句中，谓语动词常用虚拟语气，表示与事实相反。
The young man made the experiment just as the teacher had taught him.Everything went on as usual as if nothing had happened.
第三篇：英语从句用法小结
英语从句用法小结
一、主语从句
★ 定义：主语从句时名词性从句中的一种，指句中的主语是一个完整的句子。
★ 位置：它可以放在主句谓语动词之前，但多数情况下由it作形式主语，而把主语从句放在主句之后。
★ 连词：引导主语从句的连词有that, whether, 连接代词有who, what, which, 连接副词有when, where, how, why等。
★ 例句：That she was able to come made us very happy.Whether she will come or not is still a question.What we need is more time.Who will go makes no difference.Which team will win the match is still unknown.When they will start is not known yet.Where she has gone is a mystery.How this happened is not clear.Why he did that wasn’t.★ 引导主语从句的that不作成分，但不能省略。★ 由it作形式主语，常用句型有：
It is +名词/形容词/过去分词+主语从句
It is still a question whether she will come or not.It is strange that you should like him.It is still unknown which team will win the match.此外，还有以下常用结构： It turned out that… 结果是… It has been found that…已经发现… It has been proved that…已经证明… It happened/occurred that…恰好… It is well-known that…据说…
It is said/reported that…据说/据报道… It must be pointed out that…必须指出… It doesn’t matter whether…是否…都没关系 It makes no difference whether…是否…毫无区别
二、表语从句
★ 定义：表语是一个完整的句子。，由引导，有时可省略that.★ 位置：从句位于系动词之后。
★ 连词：引导标语从句的连词有that，whether, as if, 代词who, what, which, 副词when, where, how, why等。
★ 例句：That fact is(that)she never liked him.It could be this part of the ice sheet is not necessarily sensitive to golbal warming.这可能是此处的冰层覆盖对全球变暖不那么敏感。
The question is who can complete the difficult task.★ 注意：用because引导的标语从句仅限于以下一个句型 This/That/It is because(that)…
I think it’s because you are doing too much.主语是reason是，表语从句不能用why或because引导，只能用that.One reason why Hamlet is such a sucessful play is that it appeals to many different people.表语从句不能用if引导，但可用as if引导。He looked as if he was going to cry.三、同位语从句
★ 定义：同位语是一个名词，表示与前面名词相同的人或物，如“my friend John”中，John 是friend的同位语，the Yangtze, the longest river of China”中，river 是Yangtze的同位语。同位语从句即表示同位语是一个完整的句子。
★ 位置：同位语从句跟在名词后面，进一步uom该名词的具体内容，或对该名词作进一步解释。
★ 可接同位语从句的名词一般是具有一定内容含义的名词：conclusion, evidence, fact, hope, idea, news, opinion, problem, promise, reason,truth等。
★ 连词：that(不能用which)，连接副词when, how, why, whether, 连接代词what.★ 例句： His delay is due to the fact that the car went wrong halfway.The news that our team has won the match is true.She asked the reason why there was a delay.The problem whether this material can be used in our factory has not been solved.He has no idea what a remarkable woman Mary is.四、同位语从句与定语从句的区别
★ 从意义上看，同位语从句是名词性从句，是对一个名词加以补充说明，而定语从句是形容词性的，是对一个名词加以修饰和限定。
★ 从结构上看，同位语从句是由连接词引导，连接词虽在从句中那个不充当任何成分，但不可省略。而定语从句中的关系代词代替先行词，并在句中充当成分（主语或宾语），充当宾语时常可省略。
★ 例句：The news(that)he told me is really encouraging.定语从句
The news that our team has won the game is really encouraging.同位语从句
五、宾语从句
★ 定义：句中及物动词或介词的宾语是一个完整的句子。
★ 连词：连接宾语从句的连词有that, whether, if, 连接代词有 who，whose, what, which 以及连接副词有when, where, how, why。★ 结构：
主语+谓语+（连接词）+宾语从句（用陈述句语序）
Do you know who(whom)they are waiting for? I wonder whether(if)daughters are valued as much as sons in the countryside.主语+谓语+it+宾补+that+宾语从句
用于这一结构的及物动词有consider, find, make, regard, see, take, think。We find it necessary that we practise speaking English every day.He always take it for granted that he can pass the exam without hard work.
第四篇：英语 让步状语从句用法总结
英语 让步状语从句用法总结
（一）让步状语从句的用法一（表示“虽然，即使，尽管”）
1.although，though，even though，even if都表示“虽然，即使，尽管”之意，though 和although 语气较弱(其中的though 比although 通俗, 不如although 正式)，even if和even though 带有强调意味而显得语气更强。例如：Although they are poor, they are happy.虽然他们很穷，但很快乐。// Although it was so cold, he went out without an overcoat.天气虽然很冷, 但他没有穿大衣就出去了。// Though they may not succeed, they will still try.即使他们可能不会成功，但他们仍努力尝试。// The article is very important though it is short.那篇文章虽然很短，但很重要。// He is better, though not yet cured.他好一点了，虽仍未痊愈。// Even though it was raining, she walked to work.即使下雨，她也是走着去工作的。// I’ll visit him this evening even if I can stay only a few minutes.今晚我将去拜访他，即使我只能停留一小会儿。
注意：though 引导的让步状语从句的用法比较特殊，它可以倒装，也可以不倒装，具体用法参见as引导让步状语从句的用法。
2.as引导让步状语从句表示“虽然、即使、尽管”，其引导的让步状语从句必须采用倒装结构，as引导的倒装形式的让步状语从句的基本结构为：形容词/副词/名词(单数可数名词前一般不带冠词，有时也可见单数可数名词前形容词与不定冠词连用、形容词放在不定冠词前)/动词/过去分词＋as＋主语＋谓语的其他部分。注意体会下列典型例句：Great as the author was, he proved a bad model.这位作者尽管了不起，到头来却成了一个坏榜样。// Ridiculous as it seems, the tale is true.这个故事看似荒唐，却是真的。// Rich as he is, he is not happy.虽然他很富有，但他并不幸福。// Child as he is, he can tell black from white.(倒装时要省去单个名词前的冠词)尽管还是个孩子，他却能分辨黑白。// Brave(a)man as he is, he trembles at the sight of snakes.他尽管勇敢，可见到蛇还是发抖。// Badly wounded as he was, he remained quite optimistic.尽管伤势很重，他仍然十分乐观。// Try as he would, he could not lift the rock.虽然尽了最大努力，但是他仍然不能搬动那块石头。
［考题1］ We had to wait half an hour ____ we had already booked a table.A.since B.although C.until D.before
［答案］ B
［解析］ 下划线处之后所述的“我们已经预订了一桌”与前面所述的“我们已经不得不等了半个小时”之间语意相反，四个选项中although表示“即便……”，引导让步状语从句最为合适。
［考题2］ ____ most of the earth’s surface is covered by water, fresh water is very rare and precious.A.As B.Once C.If D.Although
［答案］ D
［解析］ 句意为：虽然地球表面覆盖着水，但是纯净水仍然很稀有、珍贵。下划线处应引导让步状语从句，填入although最为合适。
［考题3］ ____ he has limited technical knowledge, the old worker has a lot of experience.A.Since B.Unless C.As D.Although
［答案］ D
［解析］ 下划线处应引导让步状语从句，填入although最为合适。
［考题4］ Although he is considered a great writer, ____.A.his works are not widely read
B.but his works are not widely read
C.however his works are not widely read
D.still his works are not widely read
［答案］ A
［解析］ 英语不允许在连词although、though引导的让步状语从句之后的主句句首重复使用连词，如果要在复合句中强调某种特别的意义，可以在主句的句首加上yet、still等副词。例如：Although she has a lot of money,(yet/still)she is not happy.虽然她很有钱，但是她并不快乐。
本题题干中没有通过特定的语境暗示需要对主句进行特别强调，因此只需用although引导让步状语从句即可，不必在主句的句首加副词(更不能在主句的句首加连词)。注意：本题中的works指“作品、著作”，例如表达“莎士比亚的作品”可以用“the works of Shakespeare”。
［考题5］ There was never any time for Kate to feel lonely, ____ she was an only child.A.ever since B.now that C.even though D.even as
［答案］ C
［解析］ 下划线处应引导让步状语从句，四个选项中只有even though可以引导让步状语从句。
［考题6］ Many of them turned a deaf ear to his advice, ____ they knew it to be valuable.A.as if B.now that C.even though D.so that
［答案］ C
［解析］ “Many of them turned a deaf ear to his advice”和“they knew it to be valuable”意思相反，四个选项中引导让步状语从句的even though最为适合。
［考题7］ Allow children the space to voice their opinions, ____ they are different from your own.A.until B.even if C.unless D.as though
［答案］ B
［解析］ 题干句意为：让孩子们有发言的空间，即使他们的观点与你的不同。从句与主句为让步关系，应由even if 引导从句。
［考题8］ ____, he talks a lot about his favorite singers after class.A.A quiet student as he may be B.Quiet student as he may be
C.Be a quiet student as he may D.Quiet as he may be a student
［答案］ B
［解析］ as引导让步状语从句应该倒装，本题中需要放在as之前的部分应该是整个表语部分并且要省略student前的不定冠词(若要保留该不定冠词，则应将其置于quiet与student之间)。
［考题9］ ____, I have never seen anyone who’s as capable as John.A.As long as I have traveled B.Now that I have traveled so much
C.Much as I have traveled D.As I have traveled so much
［答案］ C
［解析］ 从句“I have traveled”与主句“I have never seen anyone who’s as capable as John”之间具有明显的让步关系，本题应选用as的倒装形式引导让步状语从句。
［考题10］ ____, his idea was accepted by all the people at the meeting.A.Strange as might it sound B.As it might sound strange
C.As strange it might sound D.Strange as it might sound
［答案］ D
［解析］ “他的建议在会上被全部的人所接受”与“他的建议听起来或许奇怪”之间意思相反，因此下划线处引导的从句应为让步状语从句，而as引导让步状语从句应采用倒装结构，由此先排除不是倒装结构的选项B、C，再排除倒装形式不正确的选项A，最终选出D。
第五篇：高考英语同位语从句用法教案
高考英语同位语从句用法教案
在复合句中充当同位语的名词性从句称为同位语从句。同位语从句是名词性从句(主语从句、表语从句、宾语从句、同位语从句)中的主要从句之一，也是高中英语学习中的重点语法知识点之一。在使用同位语从句时，应注意以下五个方面：
一、同位语从句在句中的位置
1.一般情况下同位语从句跟在某些名词(如news，idea，fact，promise，hope，message等)的后面，用以说明该名词所表达的具体内容。
例如：
The news that our women volleyball team had won the championship encouraged us all greatly.我们女排赢得冠军的消息大大地鼓舞了我们所有人。
I’ve come from Mr Wang with a message that he won’t be able to see you this afternoon.我从王先生那边得知一个消息，他说他今天下午不能来看你了。
2.有时同位语从句可以不紧跟在它所说明的名词后，而被别的词语隔开，在语法上叫做分隔式同位语从句。
例如：
The thought came to her that maybe she had left the door open when she left home.她突然想起可能在她离开家时没把门关上。
The story goes that he failed in the College Entrance Examinations again.据说他高考(高考
新闻,高考说吧)又落榜了。
二、同位语从句前名词的数
同位语从句前的名词通常用单数形式，并且往往带有限定词(word除外)加以修饰。例如：
Where did you get the idea that I could not come？你在哪儿听说我不能来？
Give me your promise that you will come to our party this evening.答应我，你今天晚上要来参加我们的晚会。
Word came that China launched its first manned spaceship on Oct 15，2003.消息传来，中国于2003年10月15日首次成功发射了载人飞船。
三、同位语从句连接词的选用
在英语中，引导同位语从句的词通常有连词(that，who，whether)，连接副词(how，when，where)等。例如：
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。
The question who should do the work requires consideration.谁该做这项工作，这个问题需要考虑。
We haven’t yet settled the question where we are going to spend our summer vacation.我们还没有决定到什么地方去度暑假。
注：在名词doubt“怀疑”后的同位语从句用whether连接；在no doubt“不怀疑”之后的同位语从句用that连接。例如：
We have some doubt whether they can complete the task on time.我们怀疑他们是否能准时完成任务。
There is no doubt that Zhang Wei will keep his promise.我们相信张卫会守信的。同位语从句：that
有些名词的后面可以接that引导的同位语从句：
We came to the decision that we must act at once.我们做出决定：我们必须立即行动。
He made a proposal that the meeting be postpone.他提议会议延期。
There was little hope that he would survive.他幸存的希望很小。
以下名词常用于以上句型：
advice，announcement，argument，belief，claim，conclusion，decision，evidence，explanation，fact，feeling，hope，idea，impression，information，knowledge，message，news，opinion，order，probability，promise，proposal，remark，reply，report，saying，statement，suggestion，thought，treat，warning，wish，word 同位语从句：whether
whether可以引导同位语从句，而定语从句不能用whether作为引导词。
He hasn’t made the decision whether he will go there.他还没有做出决定是否去那里。
I have small doubt whether he is suitable for the job.他是否适合这件工作我有点怀疑。同位语从句：what
what可以引导同位语从句，而定语从句不能用what作为引导词
I have no idea what he is doing now.我不知道他现在在干什么。同位语从句：how
how可以引导同位语从句，而定语从句不能用how作为引导词
It’s a question how he did it.那是一个他如何做了此事的问题。同位语从句：who等
who，whom，which，when，where，why用来引导同位语从句
The question who should do the work requires consideration.谁该干这项工作，这个问题需要考虑。
She raised the question where we could get the fund.她提出这个问题：我们到哪儿去搞这笔资金。
四、同位语从句的语气
在suggestion，advice，request，order等意为“建议；命令；要求”的名词后，同位语从句中的谓语动词通常用“should +动词原形”的虚拟语气结构，句中的should可以省略。例如：
Our teacher gave us some advice how we(should)use the computer.老师给我们提出了一些如何使用电脑的建议。
The suggestion came from the chairman that the new rule(should)be adopted.采纳新规则的建议是主席提出来的。
The government gave the order that all these houses(should)be pulled down in three weeks.政府下令三个星期内所有这些房子都要拆掉。
五、同位语从句与定语从句的用法区别
区别(1)
同位语从句和先行词是同等的关系；而定语从句是用来修饰先行词，是从属的关系。
区别(2)
that在同位语从句中没有词义，不充当句子成分；而在定语从句中充当主语、宾语等句子成分。
区别(3)
whether，what，how可以用来引导同位语从句；而它们不能用来引导定语从句。
区别(4)
1.从词义角度看问题
who，whom，which，when，where，why用来引导同位语从句是保持原来疑问词的含义；它们用来引导定语从句时，不具有疑问词的含义。2.从搭配角度看问题
who，whom，which，when，where，why用来引导定语从句时对应性很强，如：
先行词是“人”，引导词用“who”等，而它们引导同位语从句是先行词通常是“question，idea，doubt等”。
六、典型例题
例1：I have no idea when he will be back.析：he will be back意义不完整，应加“什么时候”的含义才能表达idea的全部内容，因此应用when引导同位语从句。
例2：I have no impression how he went home，perhaps by bike.析：he went home意义不完整，应加“如何”的含义才能表达impression的全部内容，因此应用how引导同位语从句。
例3：Information has been put forward ____ more middle school graduates will be admitted into universities.(NMET2001上海)
A.while B.that C.when D.as
析：答案为B.more middle school graduates will be admitted into universities是Information的内容，且Information不在从句中作成分，所以该句为同位语从句。应将该句区别于：
It is said that more middle school graduates will be admitted into universities，this is the information ____ has been put forward.A.what B.that C.when D.as
析：答案为B.that has been put forward为information的修饰性定语，且information在从句中作主语，所以该句为定语从句。
例4：She heard a terrible noise，____ brought her heart into her mouth.(MET91)
A.it B.which C.this D.that
析：答案为B.分析语境含义、句子结构和句子成分可知，该句为非限制性定语从句，先行词为a terrible noise，且它在从句中作主语。应将该句区别于：
I can’t stand the terrible noise ____ she is crying loudly.A.it B.which C.this D.that
析：答案为D.she is crying loudly是the terrible noise的内容，且the terrible noise不在从句中作成分，所以该句为同位语从句。
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