虚拟语气练习题用所给动词的适当形式填空：Part A.1.If people ______(drive) more slowly, there wouldn’t be so many accidents.2.If you had worked carefully, you _____(not make) so many mistakes.3.The boat wouldn’t have drifted away, if we _____ (tie) it up.4.If I had known you already _____(have) a typewriter, I _____(not, buy) one for your birthday.5.If he _____(be) here this afternoon I would go with him.6.If it were to rain tomorrow, the match _____(postpone).7.But for your help, we ______(not be) able to finish the work in time.8.If it _____(not, be) for the leadership of the Party, we would not have achieved so much.9.I wish I _____(study) hard while I was young.10.It is about time that fence ______(mend).11.My request is that we ______(hold) another session to discuss the problem.12.It is strange that the car _____(break) down at exactly the same place where it _____(break) down yesterday.13.The baby smiled as if he _____(understand) what his mother _____(say).14.He talked as if he _____(do) all the work himself, but in fact Tom and I _____(do) most of it.15.If only we _____(have) a phone! I’m tired of queuing outside the public phone box.16.----- “Can we come in late tomorrow?” ----- “I’d rather you _____(come) in on time.”17.He looks as if he _____(be) ill for a long time.18.He always talks as though he ______(address) a public meeting.19.If a metal ______(heat), it will expand.20.I _____(stay) home if it rains this evening.Part B.1.She would call you immediately if she _____(need) help.2.If I had seen the movie, I _____(tell) you all about it now.3.If he _____(decide) earlier, he could have left on the afternoon flight.4._______ I _____(take) my umbrella with me when I _____(come) out this morning, I _____(not be) so wetnow.5.If you had listened to me, you _____ (not be) in such trouble now.6.I wish they _____ (stop) making so much noise so that I could concentrate on my work.7.It is inconceivable that he _____ (not see) me that day for I ______(wave) to her.8.What a pity that he gave orders that all those lovely trees _____(cut) down.9.Mr. Jones would rather _____(stay) home last night.10.Henry would rather that his brother _____(work) in the same department as he does.11.Electric current flows through a conductor as though it _____(be) a fluid.12.We _____(invite) her to the party but we didn’t know that she ______(already, come) back from abroad.13.Today’s industrial production ______(be) impossible without the contribution made by the science of physics.14.I hate driving. I’d much rather you _____(drive).15.The guests ______(arrive) last night, but there is still no news about them.16.Mother_____(feel) anxious if I came home late.17.Even if I ______(be) with you then, I ______(can, not, do) much for you.18. A less conscientious man ______(not, try) so hard to get this job done.19.Do you wish that you ______(have) a sister like her?20.Isn’t it surprising that he ______(have) two car accidents during the past week?选择题：1. If I _______ you, I’d join the army.A. amB. wasC. wereD. would be2. “If the sun ______ tomorrow, what would we do?”A. will not riseB. would not riseC. did not riseD. does not rise3. If you ______ to see Mary, what would you tell her?A. areB. will be goingC. mustD. were4. I would have said “Hello” to him if I ______ your brother.A. could seeB. had seenC. will seeD. will have seen5. If you had wanted to buy a record, what ________?A. would you buyB. had you boughtC. would you have boughtD. would you be buying6. If the tablets had dissolved, John ______.A. would probably dieB. had probably diedC. probably would be diedD. would probably have died7. ________ if you had lost your watch?A. Hadn’t you been upsetB. Wouldn’t you be upsetC. Weren’t you upsetD. Wouldn’t you have upset8. -----“I was so sorry to hear about Jack.”-----“If he had made more friends here, he might ________.”A. have stayedB. have stayC. stayedD. stay9. If I had a bike, I ______ it to you yesterday.A. would have lentB. would lendC. would have lendD. could lend10. ____________, John would not have failed.A. If he has listened to meB. Had he listened to meC. If he listened to meD. As he listened to me11. Had Alice been more hardworking, she ________.A. had not failedB. would not have failedC. would not failD. could not be failed12. -----“Steve made a reservation already.”-----“______ he change his mind, he can cancel it.”A. ShouldB. WouldC. IfD. So13. I wished it _______ but it did.A. occurred notB. did not accurC. had not occurredD. would not occur14. I _______ Professor Jones had taught me this equation.A. believeB. deeply thinkC. wishD. suppose15. The sun rises in the east and sets in the west, so it seems as if the sun _____ around the earth.A. circlesB. is circlingC. be circlingD. were circling16. The computer “teacher” was talking with his students as though it ______ a human teacher.A. wasB. wereC. had beenD. be17. Jane appears as though she _______ the secret.A. knowsB. knewC. has knownD. had known18. If only she _______ of Aunt Ruth!A. was not terribly so frightenedB. were not terribly so frightenedC. be not so terribly frightenedD. were not so terribly frightened19. -----“I think that the Smiths were embarrassed by Jane’s generosity.”-----“She insisted ______ it as a gift.”A. no them to acceptB. their acceptingC. that they acceptD. that they accepted20. The chairman requested that __________.A. the members studied the problem more carefullyB. the problem were more carefully studiedC. the problem could be studied with more careD. the members study the problem more carefully21. -----“Did Kathy have any ideas for Jim?”-----“She suggested that he ______ a card with all of our names on it.”A. sendB. sendsC. to sendD. sending22. The idea is that we _______ an unmanned spacecraft to explore the planet first.A. will sendB. had sentC. sendD. be sent23. It is necessary that this machine-tool _______ every day.A. be oiledB. oilC. is to be oiledD. oiled24. -----“That’s a beautiful coat in the window.”-----“It certainly is. If I had the money ______ buy it.”A. I’dB. I’llC. I mayD. I shall25. -----“Why didn’t you help him?”-----“I would have ______ I didn’t have the money.”A. ifB. andC. butD. otherwise26. Jill would rather we _______ now, but we must go to work.A. not leaveB. had not leftC. didn’t leaveD. not to be left27. I’d just as soon ________ those important papers with you.A. that you won’t takeB. your not takingC. please don’t you takeD. you didn’t take28. The housemaster was very strict. He asked that we ______ television on week nights.A. not watchB. not be watchingC. must not watchD. should not have watched29. I hadn’t expected James to apologize but I had hoped ________.A. him calling meB. that he would call meC. him to call meD. that he call me30. __________ at the price list, he’d have known what to expect.A. Had Mr. Robinson lookedB. If Mr. Robinson lookedC. If Mr. Robinson would have lookedD. Had Mr. Robinson been looking31. -----“Shall I open the window?”-----“I’d rather _________.”A. you had better notB. you don’tC. you shouldn’tD. you didn’t32. ----- “Did you have to go to court?”-----“No, I didn’t, but I would ______ if my lawyer hadn’t been so good.”A. hadB. haveC. beD. do33. If Peter had enough money, he _______ on the trip to Los Angeles.A. would have goneB. wentC. had goneD. would go34. If you had been in Shanghai last month, you ________ the game.A. had seenB. have seenC. had been seenD. would have seen35. If you hadn’t taken such a long time to get dressed, we’d ______ there by now.A. beB. getC. have got atD. have been36. If the Watergate Incident _______ Nixon would not have resigned from the presidency.A. had not occurredB. did not occurC. was not occurringD. would not occur37. Alan _______ the party if he’d gone to London.A. would have missedB. had missedC. could missD. missed38. -----“Your pictures are beautiful!”-----“We _______ more if we hadn’t run out of film.”A. would takeB. had takenC. will have taken C. would have taken39. Peter wishes that he ________ law instead of literature when he was in college.A. had studiedB. studiedC. could studyD. would study40. -----“I couldn’t talk to Mrs. Khandary very well, because my Arabic isn’t very good yet.”-----“_________ there, he would have been able to interpret for you.”A. If John wereB. John had beenC. Had John beenD. Were John41. ___________, Gerald would have been a rich man.A. Was he to enter businessB. Were he entered businessC. Had he entered businessD. If he was to enter business42. _________, we shall go on a picnic.A. Should the weather be fineB. If the weather were fineC. Had the weather been fineD. Were the weather to be fine43. -----“I wish I ________ the orientation program yesterday.”-----“It’s too bad that you _________. We met a lot of people.”A. had attended …didn’tB. had attended …hadn’tC. attended … didn’tD. could attend … haven’t44. -----“Do you want me to lend you some money?”-----“I wish you __________, I can pay you back next week.”A. shouldB. didC. mightD. would45. The picture exhibition bored me to death. I wish I _______ to it.A. had not goneB. have not goneC. did not goD. could not have gone46. If their passport _______ all right, they _______ arrested.A. were … wouldn’t beB. had been … wouldn’t have beenC. are… mustn’t beD. should be … wouldn’t be47. If only I _________ how to operate an electronic computer as you do.A. had knownB. would knowC. should knowD. knew48. The thick smog covered the whole city. It was as if a great black blanket ______ over it.A. had been thrownB. were thrownC. be thrownD. had thrown49. He spoke in a quiet, distinct voice, as though his thought _________.A. was far awayB. had been far awayC. were far awayD. went far away50. If I had only read all the books before I ________ the lecture!A. would have attendedB. attendedC. had attendedD. have attended51. I would have been able to help him, but I _______ so busy.A. wereB. had beenC. wasD. would be52. -----“Where have you been?”-----“I got caught in the traffic; _______ I would have been here sooner.”A. howeverB. althoughC. anywayD. otherwise53. It is desirable that the airplane _______ as light as possible.A. wasB. beC. isD. were54. I _______ do that if I were given the choice.A. would rather notB. would not ratherC. rather notD. had rather not55. Everybody has arrived. It’s time we _________.A. would startB. shall startC. startedD. had start56. -----“Mrs. Williams can speak Japanese.”-----“But she would rather _______ English with us.”A. speakB. spokeC. to speakD. had spoken57. John would rather that Jane _______ to the party yesterday evening.A. did not goB. not goC. had not goneD. wouldn’t gone58. -----“What’s the matter with Harry?”-----“I don’t know, but he certainly looks ______ he had lost his best friend.”A. thatB. so thatC. likeD. as if59. His advice has made the design better than it ________.A. would otherwise have beenB. would be otherwiseC. has otherwise beD. had otherwise been60. -----“I’m surprised to learn that you’re going back.”-----“Yes, I had hoped that I _______ have to go back again, but I must.”A. didn’tB. wouldn’tC. won’tD. mustn’t辨认并改正错误：1.I should be most happy to go down with you but I was very busy right then. (have been)2.If her great grandfather would have lived three more days he would have been 100 years old. (had lived)3.If George Washington were president today, I would have wondered what he would do about the UnitedStates’ foreign affairs in the Middle East. (wonder)4.It was suggested that Pedro studies the material more thoroughly before attempting to pass the examination.(study)5.He gave orders that the horses were made ready at once as he was pressed for time. (should be)6.The scientist thinks it necessary that all the inventions of mankind must be used for good, not for evil.(should)7.We felt like we had lost a friend when the foreman along with his four assistants was unfairly discharged. (feltas if)8.If you went to last night’s game, I am sure that you would have enjoyed seeing our team win. (had been to)9.If you have been living here since 1956, is n’t it about time you start to look for somewhere nicer to live?(started)10.The law I am referring to requires that everyone who owns a car has accident insurance. (have)11.I would rather that they did not travel during the bad weather, but they insist that they must return home today.(should)12.The political candidate talked as though she has already been elected to the presidency. (had)13.If a crisis was to occur, those unfamiliar with the procedures would not know how to handle the situation.(were)14.Many dead people would now be alive if they did not attempt to return for something. (had not attempted)15.Only if Albert had told me before last Friday, I would have given him some help, but now it’s too late. (Ifonly)16.If Monique had not attended the conference, she would never meet her old friend Dan whom she had not seenfor years. (have met)17.If I brought with me a camera when the accident happened yesterday I might have taken a picture of it myself.(had brought)18.How I wish John knew how to apply grammatical rules properly and recognize the fact that he is nearlyalways in the wrong! (recognized)19.If John were to resign and if Henry were elected to take his place we should have had more vigorousleadership. (删除)20.You may prefer to travel by plane, but if the weather is bad, you might have to use the train instead. (may)翻译下列句子：1．我要是有你这样一个姐姐多好！2．我们万一不能及时完成这个任务怎么办？3．要不是明天有测验我今天晚上就去听音乐会了。