情态动词

1.—The room is so dirty._______ we clean it

—Of course.

A.Will B.Shall C.Would D.Do

2. My English-Chinese dictionary has disappeared.Who _______ have taken it

A.should B.must C.could D.would

3.—Is John coming by train

—He should, but he _______ not.He likes driving his car.

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

4. — I heard they went skiing in the mountains last winter.

— It _______ true because there was little snow there.

A.may not be B.won’t be

C.couldn’t be D.mustn’t be

5.It has been announced that candidates _______ remain in their seats until all the papers have been collected.

A.can B.will C.may D.shall

6. — I hear you’ve got a set of valuable Australian coins._______ I have a look

— Yes, certainly.

A.Do B.May C.Shall D.Should

7. Oh, I’m not feeling well in the stomach, I so much fried chicken just now.

A.shouldn’t cut11 B.mustn’t have eaten

C.shouldn’t have eaten D.mustn’t eat

8. I was really anxious about you.You _______ home without a word.

A.mustn’t leave B.shouldn’t have left

C.couldn’t have left D.needn’t leave

9.You can’t imagine that a well-behaved gentlemen _______ be so rude to a lady.

A.might B.need

C.should D.would

10.— Write to me when you get home.

—_______.

A.I must B.I should

C.I will D.I can

11.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

12.—Are you coming to Jeff’s party

—I’m not sure.I _______ go to the concert instead.

A.must B.would C.should D.might

13. My sister met him at the Grand Theatre yesterday afternoon, so he _______ your lecture.

A.couldn’t have attended B.needn’t have attended

C.mustn’t have attended D.shouldn’t have attended

14.Sorry, I’m late.I _______ have turned off the alarm clock and gone back to sleep again.

A.might B.should

C.can D.will

15.There was 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

16.-When can I come for the photos I need them tomorrow afternoon.

-They _______ be ready by 12:00.

A.can B.should

C.might D.need

17.-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

18.The fire spread through the hotel very quickly but everyone _______ get out.

A.had to B.would

C.was able to D.could

19. Jack _______ yet, otherwise he would have telephoned me.

A.mustn’t have arrived B.shouldn’t have arrived

C.can’t have arrived D.needn’t have arrived

20.When he was there, he _______ go to that coffee shop at the corner after work every day.

A.would B.should

C.had better D.might

21. Sir, you _______ be sitting in this waiting room.It is for woman and children only.

A.oughtn’t to B.can’t

C.won’t D.needn’t

22. It’s nearly seven o’clock.Jack _______ be here at any moment.

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

23.I wonder how he _______ that to the teacher.

A.dare to say B.dare saying

C.not dare say D.dared say

24. I told Sally how to get here, but perhaps I _______ for her.

A.had to write it out B.must have written it out

C.should have written it out D.ought to write it out

25.Michael _______ be a policeman, for he is much too short.

A.needn’t B.can’t

C.should D.may

●答案解析

1.答案:B

解析:shall用于一般疑问句时表示征求对方意见.我们打扫一下好吗

2.答案:C

解析:could have taken表示对过去情况的推断,可能是谁把它拿走了.should have 过去分词表示本来应该做而没有做;must have 过去分词表示(过去)一定那样做了;would have 过去分词常用于表示虚拟语气.

3.答案:D

解析:may可能.所提供的情境He likes driving his car.,John既可能乘火车来,也可能自己开车来.

4.答案:C

解析:couldn’t be true表示不可能.所提供的情境there was little snow说明对方所说的去山里滑雪这件事是不可能的.

5.答案:D

解析:shall 用于陈述句的第二,第三人称时,表示说话人的意图,允诺,警告,命令,决心等,意思是"必须,应,可".据宣布,考生在收卷前必须坐在自己的座位上.

6.答案:B

解析:may 用来征得对方的同意.May I have a look 我可以看看吗 shall 用于问句中表示征求对方意见.想看别人的东西要征得对方同意,所以,shall 不能作为答案.

7.答案:C

解析:"shouldn’t have 过去分词" 表示过去发生的事,意思是"本来不该做而做了……".just now是表示过去的时间状语.

8.答案:B

解析:shouldn’t have 过去分词表示"本来不应该做而做了".表示责备.我真的为你着急.你不应该不说一句话就离开了家.

9.答案:C

解析:should应该.你不可能想象出一位行为体面的绅士应该对一位女士那么粗鲁.

10.答案:C

解析:当对方用祈使句提出要求时,常用I will表示同意对方的意见,并将按对方的意见去做.

11.答案:A

解析:can表示可能性.布什先生按时做好一切事.他来参加开幕式迟到了可能会是什么样的情景呢

12.答案:D

解析:might 动词原形可能做某事.所提供的情境是I’m not sure.他可能会听音乐会,但没有十分把握.

13.答案:A

解析: can’t (couldn’t) have done表示对过去的否定性推测,不可能.所提供的情境My sister met him at the Grand 表明他不可能参加讲座.

14.答案:A

解析:might have done sth.(过去)可能做某事,should have done sth.本不应该做某事.所提供的情境I’m late.表明说话人可能把闹钟关上了,而不是本来不应该把闹钟关上而关上了.

15.答案:D

解析:ought to have 过去分词表示本来应该做而没有做.should 动词原形的意思是"(现在)应该那么做",与本题中at yesterday’s party所表达的时间不一致.

16.答案:B

解析:should在这里表示义务,责任,意思是"应该".它们应该在12点前准备好.might表示可能,不确定,期望,许可等,相当于may,但更带迟疑,婉转,谦逊等色彩.作为商家,按时完成顾客指定的工作是他们的义务和责任.用might这样不确定的口吻回答顾客是不符合现实情况的.

17.答案:A

解析:could have stayed(过去)可以呆在…….从I stayed at a hotel while in New York.可知,此事发生在过去.must have stayed(一定)呆在…….与I stayed at a hotel while in New York.的意思矛盾.

18.答案:C

解析:虽然could 和was able to都表示"(过去)能够干什么",但could倾向于表示经过长期训练而获得的能力;was able to表示经过努力而能够做到的事.所以答案为C.

19.答案:C

解析:表示过去不可能要用can’t have done. Jack不可能已经到达,否则他会给我打电话的.shouldn’t have arrived表示"不应该来而来了",与所提供的情境otherwise he would have telephoned me意思不符.

20.答案:A

解析:"would 动词原形"表示过去经常性的动作,说明过去的习惯.所提供的情境When he was there表示事情发生在过去.当他在那儿的时候,他每天总在下班后到那个拐角处的咖啡馆去.

21.答案:A

解析:先生,你不应该坐在这儿.这间房间是专门为妇女儿童准备的.ought to是情态动词,应该.它的否定形式是ought not to 或oughtn’t to.

22.答案:C

解析:现在接近7点钟.杰克随时都会来这儿.should可以表示可能性,推测或推论.所提供的情境It’s nearly seven o’clock.表明约定的时间即将到了,杰克应该来了.

23.答案:D

解析: dare是情态动词,它的过去式是 dared,后接动词原形.dared作行为动词时,要用dare to do sth.,行为动词有数的变化,这句话的主语是he,其谓语的正确形式应该是dares to say.

24.答案:C

解析:should have written(过去)本来应该写而没有写,表示对过去所做的事后悔.had to write it out不得不写出来;must have written it out(过去)一定写出来了;ought to write it out(现在)应该写出来.

25.答案:B

解析:can’t be不可能是.Michael不可能是警察,因为他个子太矮了.may be a policeman可能是警察,与后一句矛盾;should be a policeman应该是警察;needn’t be a policeman没有必要是警察.