情态动词专项练习及答案.doc

情态动词专项练习 1. Jean have kept his promise. I wonder why he changed his idea.A. mustB. shouldC. needD. would解析：选B. “should have +过去分词” 表示“过去本来应该(但没能)做某事”；keep ones promise 意为“信守诺言”。2. Jane have come to the party, but she not find the exact time.A. could; couldB. might; couldC. should; couldD. should; would解析：选A.“ could have+过去分词表示过去本来应该(但没能)做某事”。3. So many mistakes in your homework! You more careful.A. may beB. had toC. would beD. should have been解析：选D. “You should have been more careful”. 意为：你本来应该更细心的。4Her brother be at home now, because he was seen playing basketball in the stadium just now.A. mustntB. needntC. cantD. shouldnt 解析：选C. cant be at home 意为：不可能在家。5-I cant understand why our boss is late. -He the early bus.A. could missB. may have missedC. can have missedD. might miss解析：选B. “may have+过去分词”表示对过去动作的判断，意为：可能做了某事。 注意：can表示可能时，只能用于疑问句和反问句。6. She didnt answer the phone, she _ asleep.A. may beB. must beC. should have beenD. must have been解析：选D. 表示：对过去发生的事情的肯定推测。7The little girls eyes were red. She _.A. may cryB. must cryC. must be criedD. must have been crying解析：选D. 意为：她刚才肯定一直在哭。对过去某事正发生的推测。8He_ his supper now, for the dining hall is still closed.A. cant be havingB. neednt be havingC. mustnt be havingD. shouldnt be having解析：选A. 对现在正在发生的事情的否定推测。9I parked my bike behind the building, but now it is gone. It _ . A. may be stolenB. must be stolenC. must have been stolenD. must have stolen解析：选C. 对过去发生的事情 的肯定推测的被动式。10. _ Mr. Black_go to work by ferry before the bridge was built?A. Did; used to B. Use; toC. Did; use toD. Does; use to解析：选C. used to do的疑问式，可以是Used+主语+to do ?或Did +主语+use to do?11. The hotel is only a stones throw away, you _ take a bus.A. need not to B. not need to C. dont need D. need not解析：选D. 说话人认为不必要乘车, need 为情态动词。12. I am busy now, _ my brother do it for you ?A. WillB. ShallC. MustD. May解析：选B. 在疑问句中shall 用于第三人称，也表示征求意见。13. -You neednt do it right now, need you?-Yes I am afraid I _ .A. needB. needntC. mustD. mustnt 解析：选C. Yes的意思是：不。意为：恐怕我必须现在就做。14.My English-Chinese dictionary has disappeared . Who _ have taken it? A. shouldB. mustC. couldD. would解析：选C. could/can have done 用于否定推测和疑问推测。15. -The room is so dirty._ we clean it? -Of course. A WillB. ShallC. WouldD. Do解析：选B. shall 用在疑问句中，常用于第一，三人称， 表示征求意见或请求指示。16. If you have something important to do, you _ waste any time.A. needntB. mustntC. may notD. wont解析：选B. 根据句意用mustnt 17. If you want to borrow a football after school, your student card_ here.A. has to leaveB. must leaveC. has to be leftD. must be left解析：选C. have to 表示客观需要，must表示主观需要。学生证必须放在此是客观需要。18. “ Did you scold him for his carelessness?”“Yes, but _ it”A. Id rather not doB. Id rather not have doneC. I shouldnt doD. Id better not do解析：选B. would rather 加完成时表示对完成了的或过去了的事情的态度。意为：当时是不情愿做的。19. “ Dont get near to it . It is too dangerous!”“_” .A. Yes, I wontB. No, I dont C. No, I cantD. No, I wont 解析：选D. A为错误的表达方式；B和C没有直接回答对方的问候。20. He must be in the classroom, _ he?A. mustntB. cantC. isnt D.can解析：选C. 对表否定的must进行反意疑问时，要用句子的实义动词21. He_ be in the garden. He must be in the room.A. cantB. mustntC. will notD. may not解析：选A. 否定推测用cant不用mustnt22. “Do you have to leave now?”“I am very sorry, but I really_.”A. cantB. haveC. shouldD. must解析：选D. 回答have to 的疑问句用must作肯定回答。23. “Lets go to the library, shall we?”“_?”A. No, I cantB. Yes, I willC. Yes , thank youD. No, wed better not解析：选D. A,B,C都 不能回答shall we, 此处D的语气比较婉转客气。24. “Can I take it away?”“ You _ better not.”A. shouldB. couldC. wouldD. had解析：选D. had better 与不带to 的不定式构成谓语，可以变成疑问句：Hadnt you better-25. You _ have brought your camera. They all had theirs with them.A. couldntB. needntC. wouldntD. mustnt 解析：选B. 本来不必要做某事.26. See who is there!_it be May?A. MayB. MustC. CanD. Will解析：选C. 表推测时A，B都用作疑问句。27. John_ be a basketball player. He is much too short.A. mayB. mustntC. cantD. should 解析：选C. 断然的不定推测用cant 28. The Chinese teacher looks so pale. She _ be ill.A. mustB. mustntC. canD. need解析：选A. 表示有把握的肯定推测用must29. Something_to save our earth. Do you think so?A. can doB. must doC. has to doD. must be done解析：选D. “something must be done” 意为：必须采取措施。30. Look at what you have done! You _ be more careful.A. oughtB. canC. wouldD. should解析：选D. ought 后应用to31. Has Li Lin started? He said he would join in the party. He _. He is a man of keeping his word.A. could have left B. must have left C. cant come D. wont be coming解析：B。从He is a man of keeping his word中可以看出，李林肯定已经出发来参加聚会了，这是对已经发生的事情非常肯定的推测，故用must have done。注意must表推测时，不能用于否定句和疑问句中。32. May I park my car here? No, you _. No car is allowed to park here.A. may not B. neednt C. mustnt D. darent解析：C。此题考查以情态动词提问的一般疑问句的回答。在英语中，以某些情态动词提问的句子，出于礼貌委婉或句意的需 要，回答时，要换用另一个情态动词。在回答must开头的一般疑问句时，肯定回答用must，否定回答用neednt或dont have to；在回答may开头的一般疑问句时，肯定回答用may，否定回答用mustnt；在回答need开头的一般疑问句时，肯定回答用must，否定回答用neednt。33. Excuse me, could you tell me where the Yajia Supermarket is? Its two blocks straight ahead. You _ miss it.A. mustnt B. cant C. neednt D. shouldnt解析：B。根据题意，此处需要表示“推测”的否定结构，故cant为正确答案。4. A。这是一个省略句，couldnt have done表示对过去发生的动作的否定推测，意为“不可能”。34. I saw Mr. Sun at Tongyu Station this morning. You _. Hes still on holiday in Hawaii.A. couldnt have B. mustnt have C. shouldnt D. neednt解析：A。这是一个省略句，couldnt have done表示对过去发生的动作的否定推测，意为“不可能”。35. How about paying a visit to Dr. Wang, our former Chinese teacher? Good idea. I will e-mail him today so that he _ know _ to expect us.A. shall; why B. could; when C. would; what D. will; how解析：B。这是一个综合题。本题so that后的目的状语从句中的谓语动词要用“情态动词（ may / might / can / could ） + 动词原形”。When to expect us表示“我们什么时候可到达”。“疑问词+不定式”结构在句中作know的宾语。36. Everything has two sides. Beautiful songs, sometimes, _ be just noise to others. A. must B. may C. should D. could解析：B。由sometimes可知，此处应用表示可能性不大的情态动词，即may。37. Someone _ my umbrella. I found it wet yesterday.A. must be using B. must have used C. must use D. must have been using解析：B。由后句可知，这是对过去发生的事情的肯定推测，故B项正确。38. How dangerous it was! Yes, but for the passer-bys quick action, the girl _.A. was drowned B. could have been drownedC. had drowned D. should be drowned解析：B。but for的意思是“要不是”，语法功能上等同于if 引导的否定虚拟条件句，因前句中How dangerous it was可知应与过去事实相反。39. You _ scold such a pupil who always keeps silent so seriously that you _ hurt him.A. should; can B. may; will C. mustnt; may D. cant; must解析：C。mustnt表示“不准许”，may表示可能性，所以C正确。40. Why does Alice know so much about Angkor Wat? She _ have been there, or .A. must B. oughtnt to C. may D. cant解析：C。句意：她或许到过那里，或者。or . 是重要的信息，说明还有其他的可能性。A的说法太绝对，与or . 提供的信息冲突。41. You may laugh, but Ive been thinking of becoming a vegetarian. Oh, you _ be crazy. You will be hungry all the time.A. must B. may C. will D. need 解析：A。must表示的把握最大，may表示有可能，need不表示推测，will表示将来。根据句意可知A正确，表明对对方的不理解和责备，语气比较坚决。42. Whats the matter with you? Oh, Im not feeling well in the stomach. I _ so much fried fish just now.A. shouldnt eat B. mustnt have eaten C. shouldnt have eatenD. mustnt eat解析：C。shouldnt have done 表示“本不该做，但实际上却做了”。43. _ he have been chosen as captain of the football team? Yes, he _.A. Can; must have B. Must; must have C. Can; must D. Must; must解析：A。疑问句中可以用can, 肯定句用must。44. Mr. Zhang _ in Shanghai tomorrow morning.A. can have arrived B. will have arrived C. may have arrived D. must have arrived解析：B。will + have done，表示对将来必然进程的猜测。45. Miss Wang started at 8 oclock, and she _ be there now.A. should B. can C. cant D. need 解析：A。should 表示主观性猜测，译为“应该”。 46. It must be Mr. Li who did it. No, it _ be Mr. Li.A. mustnt B. wouldnt C. cant D. may 解析：C, cant 表示否定的猜测，侧重于主观判断，译为“决不会；不可能”。47. You _ finish reading the book as soon as possible.A. may B. can C. need D. should解析：D。should表示劝告某人应该做某事。 48. Need you go to work now? Yes, I _.A. must B. need C. can D. dare解析：A。need引导的一般疑问句，肯定回答应用must。49. Your trousers are dirty. _ them for you?A. Shall I wash B. Will I washC. Am I going to wash D. Am I washing解析：A。Shall I . ？是征求对方意见时常用的句型。50. You are late for school today. You _ to school earlier.A. ought to come B. should have come C. ought have come D. should come解析：B。should have done表示“过去某件事应该做而实际上没有做”，此处含有责备之意，也可用ought to have come。51. We must learn from Lei Feng, _ we?A. may B. cant C. dont D. neednt解析：D。反意疑问句中，当must作“必须”解时，可以用neednt / mustnt构成附加疑问句。52. She must be hungry, _ she?A. isnt B. neednt C. doesnt D wont 解析：A。反意疑问句中，陈述部分的must表示对现在情况推测时，附加疑问句中通常依据must后面的动词形式确定助动词。53. He ought to come here early, _ he?A. would B. should C. didnt D. shouldnt解析：D。反意疑问句中，陈述部分的谓语有ought to 时，附加疑问句中应用shouldnt 或oughtnt。54. You used to smoke, _ you?A. used to B. dont C. didnt D. shouldnt 解析：C。反意疑问句中，陈述部分的谓语有used to 时，附加疑问句中应用didnt 或usednt。55. You ought _ for what you havent done.A. not to be punished B. not be punished C. to not punished D. to not be punished解析：A。ought to 的否定式是ought not to。 56. _ you please tell me the way to the post office?A. Must B. Need C. Would D. Should解析：C。Would you please . ？是向对方提出请求或询问时常用的婉转而有礼貌的句型。27. A。主语是第三人称时，shall表示说话人给对方的“允诺；命令；指示；意愿”。57. Im sure he _ have the computer sooner or later.A. shall B. can C. must D. would 解析：C。Would you please . ？是向对方提出请求或询问时常用的婉转而有礼貌的句型。58. It is important that we _ learn how to drive.A. have to B. should C. need D. shall解析：B。在It is important / impossible / necessary that . 句型中，that从句的谓语用“( should + ) 动词原形”。59. 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解析：D。在规章中告诫应考者，在收完所有试卷前“必须”留在教室里。60. How _ you say that you really understand the whole story if you have covered only a part of the article? A. can B. must C. need D. may解析：A。can 在疑问句中，表示疑惑、怀疑，根据情况可译作“能、可以”等。61. I didnt see her in the meeting room this morning. She _ at the meeting.A. mustnt have spoken B. shouldnt have spokenC. neednt have spoken D. couldnt have spoken解析：D. must表示推测时不用于否定句；shouldnt have done sth. 表示“本不应该做某事而实际上做了”；neednt have done sth. 表示“本来不必做某事而实际上做了”；couldnt have done sth. 表示“不可能做过某事”。根据题意，选D。62. One ought _ for what one hasnt done.A. not to be punished B. to not be punishedC. to not punished D. not be punished解析：A. 情态动词ought 后要接带to的不定式，ought to do 的否定式是ought not to do，所以答案是A。63. If you really want yourself to be in good health, you must _ always _ so much.A. not; be smoking B. not; have smokedC. not; to smoke D. be not; smoking解析：A. must not always be doing sth. 表示“不要老是做谋事”，含有埋怨、指责、反感等感情色彩。64. With so much work on hand, you _ to see the game last night.A. mustnt go B. shouldnt go C. couldnt have gone D. shouldnt have gone解析：D. 题中的A项和B项都指现在情况；couldnt have gone表示“不可能去过”；shouldnt have gone表示“本不应该去而实际上去了”。根据题意，选D。65. Most of the students felt rather disappointed at the English party. They say that it _ better organized.A. had been B. had to be C. must have been D. could have been解析：D. could have done sth. 表示“本来能够做某事而实际上未能做成”。66. Im surprised that he _ in the exam.A. should fail B. would have failed C. may have failed D. should have failed解析：D. should可用于表示惊奇、感叹、不满等感情色彩的句子，如指过去的动作，则要用should have done sth. Would 和 may通常不带感情色彩。67. The little girl _ there alone.A. not dare go B. dares not go C. dare not go D. dare not to go解析：C. 题中的dare是情态动词，后接不带to的不定式，主要用于疑问句、否定句和条件句中。68. “Must we do it now?” “No, you _.”A. wont B. neednt C. cant D. dont解析：B. must开头的疑问句，否定答语用neednt或dont have to。69. He said he would rather not _ it right now.A. doing B. to do C. do D. to be doing解析：C. would rather通常也视为情态动词（组），后接动词原形，其否定形式为would rather not。70. You _ to the meeting this afternoon if you have something important to do.A. neednt to come B. dont need come C. dont need coming D. neednt come解析：D. need作为情态动词，其否定形式为neednt；作实义动词时，其否定形式为dont (doesnt) need to do。71. Put on more clothes. You _ be feeling cold with only a shirt on.A. can B. could C. would D. must解析：D. must用在肯定句中表推测时，语气比could, would等肯定得多。此处“must + 不定式进行式”表“想必正在”之意。72. I _ play football than baseball.A. would rather B. had better C. like better D. prefer解析：A. would rather than ，意为“宁愿（做）而不（做）”。73. I thought you _ like something to read, so I have brought you some books.A. may B. might C. could D. must解析：B. 由句意可知，这是对过去发生的事情不太有把握的推测。74. There was plenty of times. She _.A. mustnt have hurried B. couldnt have hurried C. must not hurry D. neednt have hurried解析：D. neednt have done意为“过去不必做而做了某事”。75. The plant is dead. I _ it more water.A. will give B. would have given C. must give D. should have given解析：D. should have done表示“过去应该做而没有做某事”。76. You _ return the book now. You can keep it till next week if you like.A. cant B. mustnt C. neednt D. may not解析：C. cant（不能），mustnt（不准），may not（不可以），均不合题意。77. Its still early, you _.A. mustnt hurry B. wouldnt hurry C. may not hurry D. dont have to hurry解析:D. dont have to = neednt78. Please open the window, _?A. cant you B. arent you C. do you D. will you解析：D. will用在第二人称的疑问句中，为询问（或征求）对方的意愿或向对方提出请求之意。79. We _ for her because she never came.A. mustnt have waited B. shouldnt have waited C. mustnt wait D. neednt wait解析：B. should not