Unit21情态动词虚拟语气1.doc

高二英语练习Unit 21一、热身练习 1. We lost our way in that small village, otherwise we _ more places of interest yesterday.A. visited B. had visited C. would visit D. would have visited2. We _ the difficulty together, but why didnt you tell me?A. should face B. might face C. could have faced D. must have faced3. If my car _ more reliable, I would have driven to Lhasa instead of flying last summer.A. was B. had been C. should be D. would be 4. If we _ adequate preparations, the conference wouldnt have been so successful.A. havent made B. wouldnt make C. didnt make D. hadnt made5. Sorry，I am too busy now. If I _ time, I would certainly go for an outing with you.A. have had B. had had C. have D. had 6. We would have called a taxi yesterday if Harold _ us a ride home.A. didnt offer B. wouldnt offer C. hasnt offered D. hadnt offered 7. Had they known what was coming next, they _ second thoughts.A. may have B. could have C. must have had D. might have had8. -Happy birthday!- Thank you! Its the best present I _ for.A. should have wished B. must have wished. C. may have wished D. could have wished9. - I stayed at a hotel while in New York. - Oh, did you? You _ with Barbara. A. could have stay B. could stay C. would stay D. must have stay10. Dont handle the vase as if it _ made of steel.A. is B. were C. has been D. had been11. Grace doesnt want to move to New York because she thinks if she there, she wouldnt be able to see her parents very often.A. lives B. would live C. having asked D. were to live12.Peter had intended to take a job in business, but _ that plan after the unpleasant experience in Canada in 2010.A. had abandoned B. abandoned C. abandon D. will abandon13. They have arrived at lunchtime but their flight was delayed. A.will B.can C.must D.should14.-Pity you missed the lecture on nuclear pollution.-I it, but I was busy preparing for a job interview. A.attended B.had attended C.would sttend D.would have attended15. I _ sooner but I didnt know that they were waiting for me. A. had come B. was coming C. would come D. would have come16.Maybe if I _ science, not literature then, I would be able to give you more help. A. studied B. would studied C.had studied D. was studying17.-The weather has been very hot and dry. -Yes. If it had rained even a drop, things would be much better now! And my vegetables . A. wouldnt die B. didnt dieC. hadnt died D. wouldnt have died18. If he my advice, he wouldnt have lost his job. A. followed B. should follow C. had followed D. would follow19. -_you interrupt now? Cant you see Im on the phone? -Sorry Sir, but its urgent. A. Can B. Should C. Must D. Would20. I _use a clock to wake me up because at six oclock each morning the train comes by my house.A. couldnt B. mustnt C. shouldnt D. neednt21. I _ thank you too much for all your help to my son while we were away from home.A. wont B. cant C. can D. will22. Its quite warm here; we _ turn the heating on yet.A. couldnt B. mustnt C. neednt D. wouldnt 23. We _ have bought so much food now that Suzie wont be with us for dinner.A. may not B. neednt C. cant D. mustnt 24. I got close enough to hear them speaking Chinese, and I said “Ni Hao ” just as I _ do in China.A. must B. might C. can D. should 25.-Shall I inform him of the change of the schedule right now?-I am afraid you , in case he comes late for the meeting . A.will B.must C.may D.can26.-Hows your new babysitter?-We _ask for a better one. All our kids love her so much. A. should B. might C. mustnt D. couldnt27.-I dont really like James. Why did you invite him? -Dont worry. He come. He said he wasnt certain what his plans were. A. must not B. need not C. would not D. might not来28.-I left my handbag on the train, but luckily someone gave it to a railway official.-How unbelievable to get it back! I mean, someone _ it. A. will have stolen B. might have stolen C. should have stolen D. must have stolen29. It _ have rained last night, for the ground is still wet. B A. can B. might C. may D. must 30. The young man _ the car. He has been abroad for days. B A. cant steal B. cant have stolen C. mustnt have stolen D. mustnt steal二、重难点讲解一）、条件句中的虚拟语气1、基本用法：条件状语从句主 句与过去事实相反had donewould/could/should/might have done与现在事实相反did/were would/could/should/might do与将来事实相反did/were to do/should dowould/could/should/might do翻译： 如果我是你，我会接受邀请的。_.如果你早点来，你就不会错过那辆公共汽车了。_. 万一明天下雨，运动会就推迟。_.2、倒装：条件句中的were, should, had 可以提前，句子倒装。Were I you，=If I were you,Should it snow, =If it should snow,Had you come here earlier,=If you had come here earlier,3、错综条件句：条件句与过去事实相反，主句与现在事实相反，一般情况下都有时间状语提示。完成句子：If I _(遇见你) 20 years ago, I _(会和你在一起生活)now.If the teacher_ (生病)yesterday, who _（会给我们上课） now?If you _ (复习了功课)last night, you _（会回答问题） now.4、含蓄条件句：完成句子：-He was sick yesterday, _（否则的话）, he would have attended the meeting.- He _(本可以参加会议) yesterday, but he was sick._（没有音乐）, the world would be dull._（要不是你的帮助）, I wouldnt have finished the job on time.If it werent for you, I _(不可能完成这个艰巨的任务)._(要是) I had taken your advice!He took his raincoat _（以防）it should rain.二、 情态动词+have done1、can/cant have done(疑问句/否定句中表推测)：Can she have said so? 他是一个可以信赖的人，不可能干这么蠢的事。2、 may/might have done(可能已经做完)3、 must have done(一定是，准是)地面很湿，昨天已定下雨了。 4.could have done(本可以却没办到)：他本可以按时完成作业，但没有。5、neednt have done(本不必作但已经做了)：妈妈，您没有必要这么早把我叫醒，今天是周日。6、 should have done(该做却没做)你刚才应该更仔细地听我说的话。7、 shouldnt/ought not have done (不该做却做了)：你不应该未经允许拿他的自行车。We really _(应该早点预订) -there dont seem to be any tables.8、原本想干：would like/love to have done was going to/meant to+have done meant/hoped/intended to have done had meant/hoped/intended to do我原本想在昨天去看你，但实在是太忙了。三、 巩固练习1.If she had work harder, she _ now.A. would succeed B. had succeeded C. should succeed D. would have succeeded2.If you had gone to a doctor, you _ all right now.A. are B. were C. would have been D. would be3. It is hard to imagine what I would be doing today if I _ in love, at the age of seven, with the Melida Lox Library, in my hometown.A. wouldnt have fallen B. had not fallen C. should fall D. were to fall4. I was very busy yesterday, otherwise I _ to the meeting.A. came B. would come C. had come D. would have come5. If I _ with her last summer, I _ on very well with her now.A. worked; am getting B. had worked; would get C. had worked; would have got D. had worked; will get6. If it _ yesterday, we could play football on the sports ground now.A. didnt snow B. hasnt snowed C. hadnt snowed D. werent snowing7. The rice _ if you had been more careful. (MET88) A. would not be burning B. would not burn C. would not have been burnt D. would not burnt 8. If my lawyer _ here last Saturday, he _ me from going. (1989全国) A. had been; would have prevented B. had been; would prevent C. were; would prevent D. were; would have prevented9. -If he _, he _ that food. -Luckily he was sent to the hospital immediately. A. was warned; would not take B. had been warned; would not have taken C. would be warned; would not have taken D. would have been warned; had not taken 10. I didnt see your sister at the meeting. If she _, she would have met my brother. A. has come B. did come C. came D. had come11. You didnt let me drive. If we _in turn, you_ so tired. A. drove; didnt get B. drove; wouldnt get C. were driving; wouldnt get D. had driven; wouldnt have got12. Great changes must have taken place in the village in the past few years, _ they?A. mustnt B. havent they C. cant D. didnt13. If the Watergate Incident_, Nixon would not have resigned from the presidency. A. did not occur B. had not occurred C. was not occurring D. be circling 14. The teacher suggested that her students_ experiences with ESP. A. write a composition on their B. to write composition about the C. wrote some compositions of his or her D. had written any compositions for his 15. Without electronic computers, much of todays advanced technology _. A. will not have been achieved B. have not been achieved C. would not have been achieved D. had not been achieved 16. I didnt hear the phone. I_ asleep. A .must be B. must have been C. should be D. should have been17. We _ last night, but we went to the concert instead. A. must have studied B. might study C. should have studied D. would study18. John, you_ play with the knife, you_hurt yourself. A. wont; cant B. mustnt; may C. shouldnt; must D. cant; shouldnt19. Its nearly seven oclock. Jack_ be here at any moment. A. must B. need C. should D. can20. She_for what she has done, but why do you keep silent on it? A. ought to praise B. ought to have praised C. ought to be praised D. ought to have been praised21. If your boss is not right, you_him. A. mustnt obey B. dont have to obey C. wouldnt have obey D. cant have obey22. He_ you more help, even though he was very busy. A. might have given B. might C. may have given D. may give23. Noise_ harmful in China. A. didnt use to be considered B. usednt to consider C. didnt use to consider D. is