情态动词表推测专项练习题

第一篇：情态动词表推测专项练习题

情态动词表推测专项练习

1.Look!The light is out in her room.She ———— to bed already.A.must goB.had to goC.must have goneD.has gone

2.We had a wonderful time yesterday.You ————.Why didn't you come?

A.had to comeB.should have comeC.might have comeD.must have come

3.─There were already five people in the car but they managed to take me as well.─ It______ a comfortable journey.A.can't beB.shouldn't beC.mustn't have beenD.couldn't have been

4.My sister met him at the Grand Theatre yesterday afternoon, so he ___ your lecture.A.couldn't have attendedB.needn't have attended

C.mustn't have attendedD.shouldn't have attended

5.I was really anxious about you.You _____ home without a word.A.mustn't leaveB.Shouldn't have left

C.Couldn't have leftD.needn't leave

6.Oh, I’m not feeling well in the stomach,I_____so much fried chicken just now.A.shouldn’t cutB.mustn’t have eaten

C.shouldn’t have eatenD.mustn’t eat

7.Mr.White _____ at 8:30 for the meeting, but he didn’t’ show up.A.should have arrivedB.should arrive

C.should have had arrivedD.should be arriving

8.You ______ be tiredIsn' t that Ann's husband over there?

-No, it _______ be him-I'm sure he doesn't wear glasses.A.can'tB.must notC.won'tD.may not

10.There ____ be any difficulty about passing the road test since you have practised a lot in the driving school.A.mustn’tB.shan’tC.shouldn’tD.needn’t

11.I was on the highway when this car went past followed by a police car.They ______ at lease 150 km an hour.A.should have been doingB.must have been doing

C.could have doneD.would have done

12.He _____ have completed his work;otherwise, he wouldn’t be enjoying himself by the seaside.A.shouldB.mustC.wouldn’tD.can’t

13.----The woman biologist stayed in Africa studying wild animals for 13 years before she returned.----Oh, dear!She _______ a lot of difficulties!

A.may go throughB.might go through

C.ought to have gone throughD.must have gone through

14.This cake is very sweet.You __________ a lot of sugar in it.A．should putB．could have putC．might putD．must have put

15.—Catherine, I have cleaned the room for you.—Thanks.Youit.I could manage it myself.A．needn’t doB．needn’t have doneC．mustn’t doD．shouldn’t have done

16.—Tom is never late for work.Why is he absent today?

—Something ________ to him.A．must happenB．should have happened

C．could have happenedD．must have happened

The Uniqueness of Finger-prints（指纹的唯一性）

难度：＊＊＊＊词数：266标准时间：6分钟完成时间：______正确数：______ Every human being has a unique① arrangement of the skin on his fingers and this arrangement is unchangeable.Scientists and experts have proved the uniqueness of finger-prints and discovered that no exactly similar pattern is passed on from parents to children, though nobody knows why this is the case.The ridge structure on a person’s fingers does not change with growth and is not affected by surface injuries.Burns, cuts and other damage to the outer part of the skin will be replaced in time by new one, which bears a reproduction of the original② pattern.It is only when the inner skin is injured that the arrangement will be destroyed.Some criminals make use of this fact to remove their own finger-prints but this is a dangerous and rare step to take.Finger-prints can be made very easily with printer’s ink.They can by recorded easily.With

③special methods, identification can be achieved successfully within a short time.Because of the

simplicity and economy of this system, finger-prints have often been used as a method of solving criminal case.A suspected man may deny a charge but this may be in vain.His finger-prints can prove who he is even if his appearance has been changed by age or accident.When a suspect leaves finger-prints behind at the scene of a crime, they are difficult to detect with the naked eye.Special techniques are used to “develop” them.Some of the marks found are incomplete but identification is possible if a print of a quarter of an inch square can be obtained.()1.Scientists and experts have proved that the pattern of a human being’s finger skin

________.A.is similar to his mother’sB.is valuable to himself only

C.is like that of others with the same type of blood

D.is different from that of all others

()2.If your fingers are wounded by knife, fire or other means, the structure of skin will

________.A.be changed partlyB.be replaced by a different one

C.be the same when the wound is recoveredD.become ugly

()3.Some criminals remove their own finger-prints by ________.A.using printer’s inkB.injuring the inner skin

C.damaging the outer skinD.damaging the colour

()4.Finger-prints have often been used as a method of solving criminal case because it

________.A.is complicated but reliable

C.is expensive but easy to doB.is simple and not expensiveD.can bring a lot of money

第二篇：情态动词表推测用法总结及专项练习

情态动词表推测用法总结及专项练习

1.can / could用于表推测的用法

(1)从使用句型上看，can 通常只用于否定句或疑问句，一般不用于肯定句，而could 可用于肯定句、否定句和疑问句。两者没有时间上的差别，只是could 比 can 更委婉，更不确定。如：

It can’t [couldn’t] be true.那不可能是真的。What can [could] they be doing? 他们会在干什么呢? We could go there this summer.今年夏天我们可能要去那儿。注：can 有时也用于肯定句中表示推测，主要用于表示理论上的可能性(即从理论上看是可能的，但实际未必会发生)，或表示“有时”之意。如：

Even experienced teachers can make mistakes.即使是有经验的教师也可能出错。

She can be very unpleasant.她有时很令人讨厌。

(2)从时间关系看，对现在或将来情况作推测，后接动词原形；对正在进行的情况作推测，后接 be doing 结构；对过去情况作推测，后接动词完成式。如：

He could have gone home.他可能已经回家了。He can’t [couldn’t] have understood.他不可能理解了。Why does he know this? Can [Could] someone have told him about it? 他怎么知道? 会是哪个人告诉他了吗?(3)“could+完成式”除表示对过去的推测外，还有以下重要用法： ① 表示过去没有实现的可能性，常译为“本来可以”。如： I could have lent you the money．Why didn’t you ask me? 我本来可以借这笔钱给你的。你为什么不向我提出? ② 用来委婉地责备某人过去应该做某事而没有去做，常译为“本来应该”。如：

You could have helped him.你本来应该帮助他的。③ 表示“差点儿就要”。如：

I could have died laughing.我差点儿笑死了。2.may / might用于表推测的用法

表示推测，两者都可用，只是 might 比 may 语气更不确定，表示的可能性更小。

(1)在句型使用方面：两者均可用于肯定句和否定句，但用于疑问句时，may通常不用于句首，但可用于疑问句的句中（如特殊疑问句等），而might尽管可以用于疑问句的句首，但不算普通，通常会改用其他句式（如用could等）。如：

He may [might] know the answer.他可能知道答案。He may [might] not believe you.他可能不会相信你。And who may [might] she be? 那么她会是哪一位呢？(2)从时间关系看，对现在或将来情况作推测，后接动词原形；对正在进行的情况作推测，后接 be doing 结构；对过去情况作推测，后接动词完成式。如：

He may [might] tell his wife.他也许会告诉他妻子。He may [might] be writing a letter.他可能在写信。

She may [might] have read it in the papers.她可能在报上已读到过此事。

(3)“might+完成式”除表示对过去的推测外，还有以下重要用法： ① 表示过去某事可能发生而实际上却并没发生。如：

It was really very dangerous.I might have killed myself.那真的是太危险了，我差点没命了。

A lot of men died who might have been saved．很多人本来可以获救的却死了。

② 表示委婉的批评或责备。如：

You might have made greater progress.你的进步本来可更大一些的。You might at least have answered my letter.你至少可以回我一封信嘛。

3.must表示推测的用法

must 表示很有把握的推测，其意为“一定会”“肯定会”，只用于肯定句，一般不用于否定句或疑问句。表示对现在或未来的情况作推测，后接动词原形；表示对过去情况的推测，接动词完成式。如：

I must be the happiest woman on earth!我一定是世界上最幸福的女人了。

No, he must be lying.不，他一定在撒谎

He must have mistaken my meaning.他一定误会了我的意思。4.should have done 的用法

should have done只用于谈论过去情况，主要有两个用法：一是用于推测过去已经发生的情况，二是用于指本该发生而实际上未发生的情况。如：

You should have told me so before.你早就应该告诉我。He should have arrived by now.此时他本该到了。

Look at the time!We should have been at the theatre ten minutes ago.瞧都什么时候了!十分钟前我们就该到戏院了。

5.need have done 的用法 need have done结构主要用于否定句或疑问句，一般不用于肯定句。用于否定句时，表示本来不必做某事，但实际上却做了；用于疑问句时，用于询问某一过去动作的必要性。如：

You needn’t have hurried.你当时实在不必那么匆忙。She needn’t have come in person — a letter would have been enough.她本不必亲自来——写封信来就足够了。

Need you have paid so much? 你当时真须要付那么多钱吗? Need they have sold the farm? 他们那时非得把农场卖掉不可吗?

历届NMET中表推测的情态动词的用法

情态动词是中学英语学习中的一个重点和难点，也是高考的重点考察内容之一。其中表示推测用法的情态动词在近几年的高考中更是屡见不鲜。现结合近几年的高考题目，对表推测的情态动词的用法作一归纳，希望对各位考生会有所帮助：

【考例】1.Naturally, after I told her what to do, my daughter _____ go and do the opposite!

A.may B.can C.must D.should

(2003年普通高等学校春季招生统一招生考试英语试题（安徽卷）)【分析】Can,may,must都可用来表示”推测”，但侧重点各有不同： May常用来指”事实上的可能性”，而can则表示一种”理论上的可能性”例如：

The railways may be improved.=It is possible that the railways will be improved.=Perhaps/Maybe/Possibly the railways will be improved.铁路可能会得到改进。（意味着已有具体的改进计划或方案。）The railways can be improved.=It is possible for the railways to be improved.铁路可以得到改进。（意思是铁路还不完善，尚有问题存在。）理论上的可能性(can)比事实上的可能性(may)更弱。

在一般的陈述句，can与sometimes几乎相同，表示一种偶然的可能性。比如：

Even expert drivers can make mistakes.甚至是很熟练的驾驶员也可能会犯错。

=Even expert drivers sometimes make mistakes.=It is possible for the expert drivers to make mistakes.因此，如果讲的是一种特殊情况，不是一般情况，就用may,试比较： Mr Reed looks pale.He may be ill.Mr Reed is in poor health.He can be ill at any time.Must指逻辑必然,作“想必”、“准是”、“一定”解，用来表示我们对某事有把握的推论或揣测。（考虑到迹象如此，再无别的结论=It seems certain that….）: They must be very tired now, for they have been working the whole morning.他们现在一定是非常累了，因为他们整个上午都在工作。

析：填C.must。意思是”不出所料，当我告诉女儿要做的事时，她准会去做相反的事。”

【考例】

1、Mary ___ be in Paris.I saw her in town only a few minutes ago.(NMET1994)

A.mustn‟t B.shouldn‟t C.can‟t

D.may not

2、.--Is John coming by train?(NMET 2002 Tianjing)

--He should,but he ___ not.He likes driving his car.A．must B.can C.need D.may 【分析】May用于否定时，not不是否定may，而是否定句中的动词，这一点与can不同，试比较：

He may not know the truth.他可能不知道事情的真相。（=It is possible that he didn‟t know the truth.）

He cannot know the truth.他不可能知道事情的真相。

must表示推测的这种用法通常用在肯定句中，在疑问句中常用can(可能)，在否定句中常用can‟t(不可能，不会是)，而不用mustn‟t。例如：

---Somebody is knocking at the door.Who can it be ? It must be Wang Hong.---No, It can‟t be Wang Hong, because she left for Shanghai this morning.---有人在敲门。会是谁呢？一定是王红。

---不，不会是王红，因为她今天早晨就动身去上海了。

因而You must be joking.在意义上相当于You can‟t be serious.析：

1、填C。意思是”玛丽不可能在巴黎。几分钟前我还看见她在镇上。

2、填D。意思是”--约翰会坐火车来吗？--应该会，但他可能不会。他喜欢开车。”

【考例】1.---I heard they went skiing in the mountains last winter.(NMET 2002Beijing)

---It ___ true because there was little snow there.A.may not be B.won't be C.couldn't be

D.mustn't be 【分析】Could,might表示过去的可能性。I thought it might be true.我本认为那是真的。He could be very unreasonable.他有时可能毫不讲理。析：填C。它是对去年冬天所发生的事进行评价。

【考例】1.--Are you coming to Jeff‟s party?(NMET 2000)

--I‟m not sure.I_____go to the concert instead.A.must

B.would

C.should

D.might

2.---Look!The clouds are gathering.---Yes.I'm afraid it _____ be pouring down soon.A,can B,must C,should D,might 【分析】could和might表示现在的情况时，更带有不肯定性和慎重味道，构成礼貌或婉转说法，包含或许的意思：

A:I wonder where Tom is.B:He may/might/could be in the library.(Perhaps he is in the library.)因此在wonder, fear,be afraid等后接的从句中,通常用may/might/could,表达一种探询的观点：

I was afraid you might be out of sorts.我怕你可能心情不痛快。假设性的可能和试探性的可能，也用could和might：

Our team might still win the race.(可以意译为：It is possible,though unlikely,that ……)析：

1、2均填D.might 【考例】Mr.Bush is on time for everything.How _________ it be that he was late for the opening ceremony? A．can

B．should

C．may

D．must(2001年上海普通高校春季招生考试试卷)【分析】表示推测的may通常不用于一般疑问句，而要用can代替。Can用于一般疑问句时，还可表示惊讶或怀疑，意思是”（到底）可能有这样的事吗？”，比如：

“There is the doorbell.””Who can it be at this time of day?”有人按门铃。””这个时候到底会是谁呢？”

Must也偶尔用于疑问句：Must there be some good reason for the delay?这个问句设想的是一个肯定的回答，可以解释为”Does there have to be some good reason……?” may可用于特殊疑问句或wh-从句，意思是”（到底）是…”、”不知是否…”：

I wonder what it may mean.我不知道这究竟是什么意思。How old may his father be?他父亲到底有多大年纪？（比How old is his father?委婉的说法。）

析：填

1、A.can.（布什先生做什么事都很按时。他怎么可能会在开幕式上迟到呢？）

【考例】1.Sorry I'm late.I ________ have turned off the alarm clock and gone back to sleep again.(2000年普通高等学校春季招生考试(北京、安徽卷)

A.might

B.should

C.can

D.will

2.─There were already five people in the car but they managed to take me as well.─It __ a comfortable journey.(NMET95)

A.can't be B.shouldn't be

C.mustn't have been

D.couldn't have been 【分析】“情态动词have +-ed分词”结构可以表示对已发生的事情进行推测, 就表示的可能性程度而言，must最大，could其次，may更次之，might最小。

must + have +-ed分词: 用于肯定句, 表示推测过去某事“肯定,一定，准是”发生了。其否定形式为：can‟t / couldn‟t have v-ed, 表示过去不可能发生某事。may(might)+ have +-ed 分词: 用于肯定句和其他否定句, 表示对已发生事情的不肯定的推测, 意为“可能, 大概”, 其中might较may语气更弱, 把握更小。Can/could用于否定或疑问句中,表示对过去发生的事件的“怀疑或不肯定”。could 比can更表示说话人语气的不肯定。例如：

I mailed that letter a week ago.He must have received it.我一周前就发出了那封信, 想必他一定收到了。

I can‟t find my keys.I may / might have left them at the school yesterday.Jack can‟t have arrived yet,otherwise he would have telephoned me.（上海1997）

It couldn't have been Mr.Smith.He has gone to China.不太可能是史密斯先生。他已去了中国。

另外，注意may不可用于疑问句，它的这种功能已为can所取代。例如Can they have missed the bus?的答句是：Yes,they may have done.而不是Yes,they can have done.这一点要注意。Must偶尔也能用于否定句：His absence must not have been noticed.此句和His absence can‟t have been noticed.的意思是一样的。许多评论者认为这类句子是不可能成立的，但它们正在为越我来越多的人所接受和使用，在美国英语中尤其如此。

对正在发生的事情进行推测，则采用”情态动词+be+现在分词”结构，其中情态动词的区别与上相同。析：答案A、D。can通常不用于肯定句表猜测；”should+have+-ed分词”表示”过去本来应该做……”，但实际上没有做，意思是”本该…..”，带有责备口气:I was really anxious about you.You shouldn‟t have

left

without

a

word.(NMET2001)；”will+have+-ed分词”只是将来完成时的一种形式。【考例】1.It's nearly seven o'clock.Jack ____be here at any moment.(NMET95)

A.must

B.need

C.should

D.can

【分析】should(ought to)表示很可能、预期的意思，指一种尝试性推论，可认为是must的语气较弱的对应词，意思是”应该会、一定。。吧”。试比较：

Our guests must be home by now.(„I am certain‟)我们的客人现在一定到家了。（根据他们动身的时间、路程远近、速度等具体条件，我能断定/肯定他们现在已经到家了。）

Our guests should(ought to)be home by now.(„They probably are,but I‟m not certain.)我们的客人现在该到家了。（含义是我想他们很可能到家了，但我不能肯定”）与must不同还在于它常常表示将来：

--When can I come for the photos?I need them tomorrow afternoon.--They_____be ready by 12:00.(NMET1998)A.can B.should C.might D.need 表示不太可能可用shouldn‟t(oughtn‟t to):

There shouldn‟t(oughtn‟t to)be any difficulties.不该有任何困难。

析：填C。意思是”将近七点了。杰克很可能随时会到。”

另外，在近几年的NMET中，对情态动词及其它语法项目的考查均放到一定的语境中进行，要求考生利用所学英语各项基础知识进行初步的语言运用，而不再是单纯的语法知识题和短语题。这类试题往往通过题干的其他部分或附加句子提供某个信息，然后让考生根据这个信息进行合理推理，产生新的想法和认识。因此，在做这类题时，除要熟悉所考查的语法规则外，还要认真分析句子的结构，注意抓住关键词，分析上下文的逻辑关系。不能单凭语法规则做题。

巩固练习

1.Michael __ be a policeman, for he's much too short.A.need't B.can't C.should D.may

2.Johnny,you __ play with the knife.You __hurt youself.A.won't,can't B.mustn't,may C.shouldn't,must D.cant't,shouldn't 3.Peter __ come with us tonight,but taken he isn't very sure yet.A.can B.may C.will D.must

4.Put on more clothes.You __ be taken feeling cold with only a shirt on.A.must B.can C.could D.would

5.It's nearly seven o'clock.Jack __ be here at any moment.A.must B.need C.should D.can 6.I didn't hear the phone.I __ asleep.A.must be B.must have been C.should be D.should have been 7.Jack __ yet,otherwise he would have telephoned me.A.mustn't have arrived B.shouldn't have arrived C.can't have arrived D.need not have arrived

8.--there were already five people in the car but they managed to take me as well.--It __ a comfortable journey.A.can't be B.shouldn't be C.mustn't have been D.couldn't have been 9.He __you more help,even though he was very busy.A.might have given B.might give C.may have given D.may give 10.Yesterday Jane waooked away from the discussion.Otherwise,she __ something the would regret later.A.had said B.said C.might say D.might have said 11.There was plenty of time.She __.A.mustn't have hurried B.needn't have hurried C.should have written it out D.couldn't have hurried

12.Tom ought not to __ me your secret,but be meant no harm.A.have told B.tell C.be telling D.haven't told

13.I told Sally how to get there ,but perhaps I __ for her.A.had to wirte it out B.must have written it out C.should have written it out D.ought to write it out

14.If you had worked harder,you __.A.would succeed B.had succeeded C.should succeed D.would have succeeded

15.--If he __,he __that food.--luckily he wsa sent to the hospital immediately.A.was warned;would not take B.had been warrned;had not taken C.would be warned;had not taken D.would have been warned;had not taken 16.--I stayed at a hotel while in New York.--Oh,did you?You __ with Barbara.A.could have stayed B.could stay C.would stay D.must have stayed 17.Sorry I'm late.I __ have turned off the alarm and gone back to sleep again.A.might B.should C.can D.will

18.--Shall I tell John about it?--No you __.I've told him already.A.needn't B.wouldn't C.mustn't D.shouldn't

19.The new airoprt __ if they had not stopped working on it.A.would complete B.had been completed C.had completed D.would have been completed

20.I didn't see her in the meeting-room this morning.She __ at the meeting.A.mustn't have spoken B.shouldn't have spoken C.needn't have spoken D.couldn't have spoken

21.That young man has made so much noise that he __ not have been allowed to attend the concert.A.could B.must C.would D.should 22.Susan __ written a report like this.A.can have B.mustn't have D.can't have D.ought to not have

23.There wasd a lot of fun at yesterday's party.You __ come,but why didn't you? A.must have B.should C.need have D.ought to have [答案及难点解析] 1.B 2.B mustn't表示“禁止”，may表示“不可能” 3.B can表示“理论上的可能、普遍性的可能、当然的可能，并非说话人主观认为可能，即并非猜测”，故不可选A。4.A 5.C at any moment/minute意为“随时，马上”。6.B 由句中的时态可知是在对过去的事件进行推测，故用情态动词+have done。7.C 由otherwise…一句可知说话人对Jack没有来持确定的态度。除所给答案外，A也正确。8.D与7题相似，C也是正确的，意为“肯定不舒服”。9.A may不可表示过去的事。10.D 11.B表示“当时本没必要那么匆忙”。12.A 13.C 14.D 15.B 16.A二人相遇的可能性不大。17.A18.A19.D对过去情况的虚拟假设，注意要用被动语态。20.D21.D22.C据常识可知是在对过去的事进行推测。23.D

第三篇：高中+++表示推测的情态动词

情态动词专练

sing, I could invite her to the party.A.couldn'tB.shouldn'tC.can'tD.might not

2.you play the piano at such a late hour?

A.MustB.CanC.MayD.Need

3.HelenA.shallB.mustC.mayD.Can

4.---Lucy doesn't mind lending you her dictionary..I've already borrowed one.A.can'tB.mustn'tC.needn'tD.shouldn't

5.---i hear you've got a set of valuable Australian coins.I havea look ?

---Yes , certainly.A.DoB.MayC.ShouldD.Shall

6.It has been announced that candidates remain in their seats until all the papers have been collected.A.canB.willC.mayD.shall

7.---the room is so dirty ,A.WillB.ShallC.WouldD.Do

8.go and do the opposite!

A.mayB.CanC.mustD.should

be so rude to a lady.A.mightB.needC.shouldD.would

10.I pay Tracy a visit,but I am not sure whether I will have time this Sunday.A.shouldB.mightC.wouldD.could

11.“The interest be divided into five parts ,according to the agreement made by both sides, ” declared the judge.A.mayB.shallC.willD.would

12.He bring me sth to eat whenever he comes back from his hometown.A.mayB.shallC.willD.would

13.A.to be doneB.be doneC.doingD.do

14.A left--luggage office is a place where bags time.A.shouldB.canC.mustD.will

15.Mr.WhiteA.Should have arrivedB.Should arrive

C.Should have had arrivedD.Should be arriving

16.You be tired---you've only been working for an hour.A.must notB.won'tC.can'tD.may not

17.My English-Chinese dictionary has disappeared.Who have taken it ?

A.shouldB.mustC.couldD.would

18.---I heard they went skiing in the mountains.Whohave taken it ?

---ittrue because there was little snow there.A.may notB.won't beC.couldn't be

19.Ihave been more than six years old when the accident happened.A.shouldn'tB.couldn'tC.mustn'tD.needn't

20.---Tom is never late for work.why is he absent today?

to him.A.Must happenB.Should have happened

C.Could have happenedD.Must have happened

21.A.might have givenB.might given

C.may have givenD.may give

22.---I 'll tell Mary about her new job tomorrow.---youA.ought to tellB.would have told

C.may have givenD.may give

23.I should have come to the movie ,but Itoo busy.A.wasB.wereC.had beenD.am

it himself.A.can't have writtenB.mustn't have written

C.needn't have writtenD.shouldn't have written

25.That out to me at the very beginning.A.ought to be pointedB.ought to have been pointed

C.ought to pointD.ought to have pointed

26.According to the weatherman , itrain tomorrow.A.canB.mustC.shouldD.may

27.You to town to see the film yesterday ,it will be on TV tonight.A.needn't goB.had better not go

C.should not goC.needn't have gone

28.him seriously.A.might have injuredB.could injured

C.should have injuredD.needn't have gone

29.---where my umbrella?

---somebody it away by mistake.A.is;must have takenB.is;must take

C.have been;must takeD.is;takes

第四篇：情态动词专项

情态动词专项

1.can

①（表能力）能…，会…

She can drive, but she can’t ride a bike.A computer can’t think for itself.(不会思考)

②（可能，许可）能够…，可以…

The noise outside has stopped , now I can get down to my study.--Can I use your telephone?--Yes, of course, you can.You can go out to play when you do away with your homework.③有时会…，偶尔…，The climate of East China can be pretty cold in winter.Jogging can be harmful for the health.Even experienced teachers can make mistakes.London could be rather cold in summer while I stayed there.④（表温和的命令）请做…，得…

I’ll do the cooking, and you can do the washing.（请你去洗衣服）

You can go now.⑤（表示猜测）可能…

Can he be working till so late?

Who can it be at this time of day?

Can it be Tom? No, it can’t be Tom.He is busy these days, so he can’t come today.can 与be able to 的区别：

The fire spread through the hotel very quickly, but everyone was able to get out.(强调设法干成某事)

2.shall

⑪用于一三人称的问句中，表示征求对方的意见

Shall I shut the window? Yes, please.Shall she go to the concert with us this evening?

Shall they come in?

Shall we go out for a walk?

⑫用于二三人称，表示命令，允诺，警告，威胁，强制

①You shall go to the front at once.(命令)

②Don’t worry.You shall get the answer this afternoon.（允诺）

③I promise she shall get a nice present on her birthday.（允诺）

④He shall be punished.威胁

⑤You shall listen to me.(命令)

⑥The interest(利益利润)shall be divided into five parts, according to the agreement made by both sides.(命令法规)

⑦It has been announced that candidates(候选人)shall remain in their seats until all the papers have been collected.（表按规定）

3.must

⑪必须

I must keep my word.You must get up much earlier.⑫不必needn’t/don’t have to

--Must I wash the dishes at once?

--No, you needn’t./don’t have to.⑬mustn’t 禁止，不许

You mustn’t play with the knife.Cars mustn’t be parked here.--May I use your pen?

--No, you mustn’t

⑭（表必然性）必定

Everyone must die.⑮（表固执，不满等）偏要硬要

Our there-year-old boy must do the opposite to what we ordered.Just when I was busy, the neighbor must come and chat.Why must you be so stubborn(倔强的)?

If you must know, I’m going to help him look for an apartment.4.should

⑪ 应该

You should apologize to him.We should attend the meeting.⑫（表预期）按理会…，想必会…，一定会…

The concert should be great fun.The photos should be ready by 12:00.The old man is always hunting the lions, so terrible things should happen to him.⑬（表惊讶，遗憾）竟然居然

I’m glad that your story should speak in such a way.I wonder that a person like him should make such a mistake.It’s a pity that he should resign.⑭（用于条件状语从句中）一旦，万一

If she should know the truth, she would be depressed.If you should change your mind, let us know.Ask him to call me up if you should see him.⑮（用于lest, for fear that, in case引导的句子）以免，唯恐

She gave me a list just in case I should forget what to buy.He ran away lest he should be caught.He gets up early for fear that he should miss it.5.would

①(表过去的习惯行为)常常经常

When I was a child, I would often go skiing.We would stay up all night talking about our future.Every morninghe would go for a walk.When he was here, he would go to that coffee shop at the corner after work everyday.区别used to do sth过去常常

I use to be a waiter, but now a taxi driver.There used to be a cinema here before the war.Our country isn’t what it used to be.②（表示说话者的厌烦焦躁）老是偏要

That’s exactly like Susie.She would come to me just when I was busy.(老是在我忙碌时来找我)

I told him not to go, but he would not listen.（可他偏不听）

③（用于if 从句）愿意乐意

If you would go there instead of me, I should be very glad.如果你愿意代替我去那儿，我会很高兴的。

You could win if you would try要是你愿意尝试，你会赢的④（用于否定句中，主语一般是事物，表某事物暂时的特性）就是不能 That window wouldn’t open.That morning my car wouldn’t start.When I called on him this morning, his dog wouldn’t let me in.The door won’t open.The car won’t start.The doctor knows I won’t be operated on.⑤（表示推测）大概，大约

That would be his father.那大概设他父亲。

You would be about 10 years old then.你那时大概10岁。

It would be about ten when they left.I thought she would have told you about it.6.需特别注意：

①may well do sth =be very likely to do sth(很可能，完全能)

may as well do sth = had better do sth

② would like to have done

= would love to have done

= was/were to have done(本来想做…，本来打算做…)

③ had better have done sth（当时已做了…就好了）

④ must have done sth（肯定干过某事）

⑤ can have done sth可能已干过…

can’t have done sth不可能干过…，肯定没干过…

⑥could have done sth本来能够干 …，可能已干过…

⑦ may /might have done sth也许已经干过…，⑧should have done sth

=ought to have done sth本来应该干…

⑨needn’t have done sth本不必做…

⑩would rather have done sth宁愿干过…

would rather not have done sth宁愿没干过…

好成绩是练出来的：

1.A left –luggage office is a place where bags ____ be left for a short time , especially at a railway station.A shouldB canC must D will

2.How ___ you say that you really understand the whole story if you have covered only part of the article?

A canB mustC needD may

3.--There’s no light on.--they ___ be at home.A can’tB mustn’tC needn’tD shouldn’t

4.Some aspects of a pilots job ___ be boring ,and pilots often ___ work at in convenient hours.A can, have toB may, canC have to, mayD ought to, must

5.He didn’t agree with me at first, but I ____ persuade him to sign the agreement later.A couldB mightC ought to Dwas able to

6.If I ____ plan to do anything I wanted to, I’d like to go to Tibet and…

A wouldB couldC had toD ought to

7.The World Web is sometimes jokingly called the World Walt because it ___ be very slow.A shouldB mustC will D can.8.—Is Jack on duty today?

--It ___ be him.It’s his turn tomorrow.A can’tB mustn’tC needn’tD won’t

9.I____ have been more than six years old when the accident happened.A couldn’tB mustn’tC needn’tD shouldn’t

10.—I have taken someone else’s green sweater by mistake.--It ___ Harry’s.He always wears green.A has toB will beC must beD could be

11.You ____ be tired , you have only been working for an hour.A can’tB mustn’tC may notD won’t

12.—Do you know where David is ?I couldn’t find him anywhere.--Well, he ___ have gone far.His coat is still here.A can’tB mustn’tC may notD won’t

13.—Can I pay the bill by check?

--Sorry, sir.But it is the payment shall be made in cash.A shallB mustC will D can.14.—Could I have a word with you, mum?

--Oh, dear, if you ____.A shouldB mustC may D can.15.Naturally, after I told her what to do, my daughter ___ go and do the opposite.A shouldB mustC may D can.16.—Who is the girl standing over there?

--Well, if you ___ know, her name is Mabel.A shallB mustC may D can.17.John, look at the time.___ you play the piano at such a late hour?

A NeedB MustC May D Can.18._____ you need any help, you can phone me at the office.A WouldB ShouldC CouldD Had

19.—I’m afraid I will be too busy to go with you.--Well, I’ll keep a seat for you in case you ___ change your mind.A shouldB mayC will D can.20.If anything __ happen to me, please give this letter to my head teacher.A couldB mustC wouldD should

21.There is a real possibility that these animals could be frightened, ____ a sudden loud noise.A being thereB should there beC there wasD there having been

22.—When can I come for the photos? I need them tomorrow afternoon.--They ___ be ready by 12:00.A shouldB mightC need D can.23.It’s nearly seven o’clock.Jack ___ be here at any moment.A shouldB mustC need D can.班级________姓名_____________

1-5 ___________________2-10___________________11-15_________________

16-20__________________21-23_______

第五篇：高三情态动词专项

高三情态动词专项

1.Some people who don’t like to talk much are not necessarily shy;they___ just be quiet people.A.must B.may C.should D.would

2.—Why____you be talking so loudly while others are studying?

–--I am terribly sorry.A.shall B.must C.will D.may

3.—Where will you start your work after graduation?

—Um,it’s not been decided yet.I_____continue my study for a higher degree.A.must B.need C.would D.might

4.--___it be Tom that stole the manager’s mobile phone?

---No,as far as I know,Tom is very honest.A.May B.Can C.Must D.Should

5.Traffic safety is so important that everyone___take safety measures too seriously.A.shouldn’t B.mustn’t C.cannot D.won’t

6.Peter____be really difficult at times even though he’s a nice person in general.A.shall B.should C.can D.must

7.You can’t imagine that a well-behaved gentleman_____be so rude to a lady.A.might B.need C.should D.would

8.---The work will take me another week.I’m really tired.—I think you___ as well go to ask an experienced worker for some advice.A.may B.can C.need D.must

9.—That must be a mistake.—No,it_____a mistake.A.must not beB.needn’t be C.cannot be D.would not be

10.He was a good runner so he__ escape from the police.A.might B.succeeded to C.would D.was able to

11.A dog ran in front of my mother’s car and she___ stop very quickly.A.ought to B.had better C.must D.had to

12.I didn’t hear the phone.I____asleep.A.must be B.should be C.must have been D.should have been

13.---I saw Mr Sun at Tongyu Station this morning.—You____.He’s still on holiday in Hawaii.A.couldn’t have B.mustn’t have C.shouldn’t D.needn’t

14.--What has happened to George?

—I don’t know.He____lost.A.can have got B.may have got C.might get D.could get

15.Many people___to his home as he keeps a big dog.A.not dare go B.dare not go C.not dare to go D.dare not to go

16.I don’t think he could have done so much homework last night,____?

A.do I B.could he C.has he D.did he

17.You ___late for yesterday’s class meeting,as it was so important.A.couldn’t be B.shouldn’ t beC.mustn’t have been D.oughtn’t to have been

18.—The Chinese athletes did extremely well in the Olympics.—Yes,they____well,or they____ such great achievement.A.must have been trained;couldn’t have gotB.must have trained;could have got

C.must have been trained;mustn’t have gotD.should have trained;couldn’t have got

19.As you know,although there are no classes on weekends now,no students___go out of the schoolwithout the headteacher’s permission.A.will B.must C.may D.shall

20.Many women___ a good salary,but they chose to stay at home for the family.A.must make B.must have made C.should make D.could have made

21.—Why hasn’t Mr.Green showed up at the meeting yet?

—I’m not sure,but he___ in a traffic jam driving here.A.could be caughtB.might be caughtC.might have been caught D.must have caught