虚拟语气和情态动词

1、从 A 、B、C 、D 四个选项中，选出可以填入空白处的最佳选项。1. Are you in a hurry? No, in fact I' ve got plenty of time. I wait.A. must B. need C. may D. should2. Someone is knocking at the d.o_o_r_ it be eVnis? No, it be her; she left for NeowrkYthis morning.A. Can; mustn ' tB. Might; can ' tC. May; doesn ' t

2、D. Can; can 't3. He didn ' t agree with me at first, but I persuade him to sign the agr.eement laterA. could B. might C. shouldD. was able to4. Is there a movie on in the cinema tonight? There be. I will phone the cinema and find it out.A. mightB. shouldC. canD. could5. You be careful when y

3、ou cross hertehe traffic lights aren' t working.A. can B. ought to C. might D. may6. You out last night. I called you several times, but nobody answered.A. must have been B. must beC. might have beenD. could be7. You fail to pass the entrance examination if you don. ' t study harderA. shall

4、B. could C. must D. should8. When I was studying at Beijing University, I take a walk along the lake every evening.A. will B. wouldC. couldD. shall9. The party turned out to be a failure. I would rather it.A. not have attended B. not attendC. not to attendD. not to have attended10. Sir, you be sitti

5、ng in this seat. It is for women or children only.A. can ' tB. oughtn ' t toC. won ' t D. needn 't11. Shall I tell Li Ming about the matter? No, you . He has known about it already.A. oughtn ' t toB. needn ' t C. shouldn ' t D. mustn 't12. Must I take a bus?No, you .

6、oYu can walk there.A. must notB. don ' tC. don ' t have toD. had better not to13. Why do you make me do so? I am sorry that you do such a thing.A. would B. canC. shouldD. may14. Will you stay for lunch? Sorry, I . My brother is coming to see me.A. mustn ' t B. can ' t C. needn '

7、t D. won 't15. What would have happened , as far as the riverbank?A. if Bob has walked fartherB. if Bob should walk fartherC. had Bob walked fartherD. should Bob walk farther16. Oh, Jane, you'evneabnrootkher glasso. Yu ought when you washed it.A. be careful B. to careC. have caredD. to have

8、been careful17. It ' s high time we _ to th.e theaterA. will goB. shall goC. are going toD. went18. Could I use your telephone? Yes, of course you _.A. couldB. willC. canD. might19. It ' s strange that they nothing about t.his matterA. should knowB. would knowC. had knownD. knew20. Do you st

9、ill remember the day when we went to the Great Wall? I can 't remember it well, but sometime last autumn?A. might it be B. could it have been C. could it beD. must it have been21. I can 't get through to the general manager's office anyhow. The line is busy. Someone the telephone.A. must

10、 use B. usesC. must have been usingD. must be using22. He suggests we to the cinema at once, otherwise we will be late.A. must go B. go23. If only he me yesterday!A. had seenB. would see24. If you wait a moment, IA. canB. shouldC. will go D. would goC. should seeD. saw' ll go and fi.nd our manag

11、erC. will D. must25. It is rather cold here. Shall we light a fire? No, we because things are easy to catch fire.A. won ' t B. can ' t C. mustn ' tD. needn 't26. If I you, I more attention to English idioms and phrases.A. was; shall payB. am; will payC. would be; would payD. were; wo

12、uld pay27. Would you have told him the answer had it been possible? I would have, but I so busy then.A. had been B. were C. was D. would be28. Can children swim in this pool? Yes. Howeve,rat no time they do so by themselves.A. dare29. Kunming is calledA. shallB. shouldC. need D. could“ Spring City ”

13、 , but it . _ snow in winterB. can C. must D. might30. What' s the matter with you? Oh, I ' m not feeling well in the stomach. I so much fried fish just now.A. shouldn ' t eatB. mustn ' t have eatenC. shouldn ' t have eatenD. mustn 'eat31. You look so upset. What's wrong

14、with you? The door . Can you help me?A. won ' t openB. won ' t be openedC. can ' t openD. can ' t be opened32. Mum, I climbed to get theeTddy Bear from the top of the shelf. My goodness!oYu yourself.oYu mustn ' t do that next time.A. must have hurtB. should have hurtC. may have h

15、urtD. can have hurt33. Children under 12 years of age in that country be under adult supervision when he is in apublic library.A. mustB. may C. can D. need34. “ The interest be divided into five parts, according to the agreement made by both sides,declared the judge.A. mayB. should C. mustD. shall35

16、.I don 't mind telling you what I know.You _. I ' m not asking you for it.A. mustn' tB. may not C. can ' tD. needn 't36. Mum, I 've been studying English since 8 o'clock. I gomoufot ranadwphlialey?with T No, I ' m afraid not. Besides, it' s raining outside now.A.

17、Can 't B. Wouldn ' tC. Dare not D. Won' t37. Who is the girl standing over there? Well, if you know, her name is Mabel.A. may B. canC. mustD. shall38. The driver has drunk too much wine and dangerous things happen at any time.A. should B. can C. must D. need39. We booked. Look, this rest

18、aurant is almost empty.A. must have B. can ' t haveC. should have D. needn ' t have40. Listen! The fire engine is roaring. There be a fire somewhere.A. should B. must C. will D. ought to答案及部分解析：1-5 CDDAB6-10 AABAB11-15 BCCBC16-20 DDCAB21-25 DBACC26-30 DCBBC31-35 ACADD36-40 ACADB1. may表示"

19、;可以”2. can用在疑问句和否定句中，表示可能性的推测。can' t表示“不可能”3. 情态动词can和be able tOFE可表示能力。当表示“过去成功地做了某事"时，常用was/were able to。4. 由下文的 “I will phone the cinema and find it ou可知此处应用 mighto may/might用在肯 定句中，表示可能性的推测。5. ought t战示劝告。6. 题意为“我昨天晚上打了几次电话都没有人接，你一定是出去了" 。 must have don常用来 表示对过去发生情况的肯定推测。7. sha l用于

20、二、三人称，表示说话者的意愿，有命令、警告、威胁、强制、允诺、决心之意。 此题用shal,表示警告。8. 情态动词would可以表示过去经常性或习惯性的动作。与used to相比，would不含有“现 在已无此习惯”的意义。9. 题意为“那次聚会以失败告终，我宁愿没参加"。would rather (not) have done表示的是 过去发生的情况。10. 由题意可知此处应用ought* t to表示“不应该"。11由he has known about it already知此处应用needri t表示“没有必要"。另外注意：shall 用于一、三人称的疑问

21、句时，常表示征求对方意见或请求对方给予指示。12. don t have tc不必。13. shoul(常用在形容词 sorry, anxious, happy, delighted!接的 that从句中，表示“竟，会" 等意义。15. had Bob walked farther=if Bob had walked fart。在虚拟条件状语从句中，省略if时要把 had, should, wei提 到句首。16. ought to have do表示“过去本来应该做某事而事实上并没有做到"。17. It' s (high/abou) time后所接从句中，从句谓语动词常用过去式形式。18. 问句中情态动词could表示委婉客气。19. 题意为“他们竟然对此事一无所知，真令人奇怪"。“It' s strange, possible.+t从句”的 句型中，从句谓语常用should动词原形。20. can/could have do表示对过去发生情况的可能性推测，常用于否定句或疑问句中。21. must be doin表示对现在正发生情况的肯定推测。22. suggest, ordehemand, request表示“建议或