情态动词专项练习及答案

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1、情态动词专项练习1. Jeanhave 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 one s promise 意为“信守诺言” 。2. Janehave come to the party, but shenot find the exact time.A. could; couldB. might; couldC. should; couldD. should; wo

2、uld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! Youmore 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。4 Her brotherbe at home now, because he was seen playing basketball in the stadium just now.A

3、. mustn tB. needn tC. can tD. 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.-Hethe 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 _

4、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。7 The little girl s 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。8 He_ his supper now, for the dining hall is still closed.A. can t be havingB.

5、 needn t be havingC. mustn t be havingD. shouldnt be having解析：选 A. 对现在正在发生的事情的否定推测。9 I 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 br

6、idge was built?A. Did; used toB. 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 stone s throw away, you _ take a bus.A. need not toB. not need toC. dont needD. 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, _

7、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 needn t do it right now, need you?-Yes I am afraid I _ .A. needB. needn tC. mustD. mustn t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.

8、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. needn tB. mustn tC. may notD. won t解析：选 B. 根据句意用 mus

9、tn t17. 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. I d rather not doB. I d rather not have doneC.

10、I shouldn t doD. I d 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. “ Don t get near to it . It is too dangerous!”“_” .A. Yes, I won tB. No, I don tC. No, I can t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. mustn tB. can tC. isn tD.canD. No,

11、I won t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. can tB. mustn tC. will notD. may not解析：选A. 否定推测用can t 不用 mustn t22. “ Do you have to leave now?”“I am very sorry, but I really_. ”A. can tB. haveC. shouldD. must解析：选D. 回答 have to 的疑问句用must 作肯定回答。23. “ Let s

12、go to the library, shall we?” “_?”A. No, I can tB. Yes, I willC. Yes , thank youD. No, we d 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. ”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：Hadn t you better-25. You _ have brought your camera. They all ha

13、d theirs with them.A. couldn tB. needn tC. wouldn tD. mustn t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. mustn tC. can tD. should解析：选 C. 断然的不定推测用can t28.The Chinese teacher looks so

14、pale. She _ be ill.A. mustB. mustn tC. 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

15、. 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 leftB. must have leftC. cant comeD. won t 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。

16、 32. May I park my car here? No, you _. No car is allowed to park here.A. may notB. needntC. mustn tD. 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 mustn t；在回答 need开头的一般疑问句时，肯定回

17、答用 must，否定回答用 needn t。 33. Excuse me, could you tell me where the Yajia Supermarket is? It s two blocks straight ahead. You _ miss it.A. mustn tB. can tC. needn tD. shouldn t解析： B。根据题意，此处需要表示“推测”的否定结构，故can t 为正确答案。 4. A 。这是一个省略句， couldn t 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 Tongy

18、u Station this morning. You _. He s still on holiday in Hawaii.A. couldn t haveB. mustn t haveC. shouldntD. needn t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

19、 expect us.A. shall; whyB. could; whenC. would; whatD. 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. mustB. m

20、ayC. shouldD. 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 usingB. must have usedC. must useD. 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-by s quick action, the girl _.A. wa

21、s drownedB. could have been drownedC. had drownedD. 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Howdangerous 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; canB. may; willC. mustn t; mayD. cant; must解析： C。 must

22、n t 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. mustB. oughtnt toC. mayD. can t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 I ve been thinking of becoming a vegetarian. Oh, you _ be crazy. You

23、 will be hungry all the time.A. mustB. mayC. willD. 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. 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. shouldnt have ea

24、tenD. mustn t eat解析： C。 shouldn t 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 haveB. Must; must haveC. Can; mustD. 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 arrivedB. will have arri

25、vedC. may have arrivedD. 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 o clock, and she _ be there now.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. mustn tB. wouldn tC. can tD. may解析： C, can t 表示否定的猜测，侧重于主观判断，译为“决不会；不可能”。47.

26、 You _ finish reading the book as soon as possible.A. mayB. canC. needD. 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. mustB. needC. canD. 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 washB. Will I washC. Am I going to washD.

27、 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 comeB. should have comeC. ought have comeD. 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 oughtto have come。51. We must learn from Lei Feng, _ we?A. mayB. can tC.

28、 don tD. neednt解析： D 。反意疑问句中，当must 作“必须”解时，可以用needn t / mustn t 构成附加疑问句。52. She must be hungry, _ she?A. isn tB. needntC. doesn tD won t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. wouldB. shouldC. didn tD. shouldn t解析： D 。反意疑问句中，陈述部分的谓语有oug

29、ht to 时，附加疑问句中应用shouldn t 或 oughtn t。54. You used to smoke, _ you?A. used toB. don tC. didn tD. shouldn t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didn t 或usedn t。55. You ought _ for what you haven t done. A. not to be punished B. not be punishedC. to not punished D. to not be punished解析： A 。 ought to的

30、否定式是 ought not to 。56. _ you please tell me the way to the post office?A. MustB. NeedC. WouldD. 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. I m sure he _ have the computer sooner or later.A. shallB. canC. mustD. would解析： C。 Would you ple

31、ase . ？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 toB. shouldC. needD. 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

32、been collected.A. canB. willC. mayD. 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. canB. mustC. needD. 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 didn t see her in the meeting room this mo

33、rning. She _ at the meeting.A. mustn t have spokenB. shouldn t have spokenC. neednt have spokenD. couldn t 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”；needn t have done sth. 表示“本来不必做某事而实际上做了”；couldn t have done sth. 表示“不可能做过某事”。根据题意，选D 。62. One ought _ for what one ha

34、sn t done.A. not to be punishedB. to not be punishedC. to not punishedD. 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 smokingB. not; have smokedC. not; to smokeD. b

35、e 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. mustn t goB. shouldn t goC. couldn t have goneD. shouldn t 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

36、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 beenB. had to beC. must have beenD. 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. I m surprised that he _ in the exam.A. should failB. would have fa

37、iledC. may have failedD. 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 havedone sth. Would 和 may 通常不带感情色彩。67. The little girl _ there alone.A. not dare goB. dares not goC. dare not goD. 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

38、?” “ No, you _. ”A. won tB. needn tC. can tD. don t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. doingB. to doC. doD. 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 some

39、thing important to do.A. needn t to comeB. don t need comeC. don t need comingD. needn t 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don t (doesn t)need to do。71. Put on more clothes. You _ be feeling cold with only a shirt on.A. canB. couldC. wouldD. must解析： D. must 用在肯定句中表推测时，语气比could, would

40、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 ratherB. had betterC. like betterD. prefer解析： A. would ratherthan ，意为“宁愿（做） 而不（做） ”。73. I thought you _ like something to read, so I have brought you some books.A. mayB. mightC. couldD. 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

41、。74. There was plenty of times. She _.A. mustn t have hurriedB. couldn t have hurriedC. must not hurryD. needn t have hurried解析： D. needn t 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 giveB. would have givenC. must giveD. should have given解析： D. should have done 表示“过去应该

42、做而没有做某事” 。76. You _ return the book now. You can keep it till next week if you like.A. can tB. mustn tC. needntD. may not解析： C. can t（不能）， mustn t （不准）， may not（不可以），均不合题意。77. It s still early, you _.A. mustn t hurryB. wouldn t hurryC. may not hurryD. don t have to hurry解析 :D. don t have to = needn

43、t78. Please open the window, _?A. can t youB. aren t youC. do youD. 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. mustn t have waitedB. shouldnt have waitedC. mustn t waitD. needn t wait解析： B. should not have done 表示“过去不应该做而做了某事”，含有“后悔” 、 “责备”、 “劝

44、告”，“批评”之意。80. May I stop here? No, you _.A. mustn tB. might notC. needn tD. won t解析： A. may 开头的疑问句，否定答语常用mustnt 。81. It s a fine day. Let s go fishing, _.A. won t weB. will weC. don t weD. shall we解析： D. 疑问句中 shall 用于第一、三人称，用来征询对方的意见。82. I didn t see her in the meeting room this morning. She _ at th

45、e meeting.A. mustn t have spokenB. shouldn t have spokenC. neednt have spokenD. couldn t have spoken解析： D. 推测“她不可能在会上发言”，must 表示推测时，不能用于否定句中。83. Please don t make a noise. _. I ll be as quiet as a mouse.A. Yes, I won tB. No, I won tC. No, I willD. Yes, I will解析： B. will 在此处表示“意志（向）”。84. The young ma

46、n has made so much noise that he _ not have been allowed to attend the concert.A. couldB. mustC. wouldD. should解析： D. should not have done 表示“过去不应该做而做了某事”，含有“后悔” 、 “责备”、 “劝告”，“批评”之意。85. Where is John? He _ in the library.A. should beB. must beC. can beD. must have been解析： B. must do 表示对现在的事实进行推测。86.

47、 Since the road is wet this morning, _ last night.A. it must rainB. it must be rainingC. it must have rainedD. it must have been rain解析： C. must have done用于对过去发生的事情进行推测，且较有把握。87. Will your brother stay home tonight? I m not quite sure. He _ to the cinema tonight.A. must goB. can goC. may goD. may be

48、 going解析： C. 表示推测时， must 比 may 语气肯定。88. She s already two hours late. What _ to her?A. can have happenedB. may have happenedC. should have happenedD. must happen解析：A. can 表推测，只用于否定句和疑问句中。89. You must be a writer, _?A. mustn t youB. are youC. must youD. aren t you解析： Dmust 表示推测时，其后的反意问句有两种情况：对现存状态（现在

49、的事实）进行推测时，反意疑问句中动词用其一般现在形式。对过去发生的事情进行推测时，若有表过去的时间状语，反意问句用动词的过去式。90.I got up early that morning, but I _ so because I had no work to do.A. mustn t have doneB. didn t need to doC. neednt have doneD. can t have done解析： C. neednt have done 表示“过去不必做而做了某事”，若表示“不必做某事（且实际上未做） “则用” didn t / don t / doesn t n

50、eed to.”91.He _ have come here yesterday, but he didn t.A. couldB. shouldC. ought toD. all the above解析： D. A 表示“本能够” ， B, C 表“本应该” 。92.I missed the last bus, so I _ go home on foot.A. mustB. have toC. mayD. had to解析： D. have to 表示客观上要求做某事， must 表示主观上认为必须做某事。93.He ought to win the first prize, _ he?A

51、. oughtn tB. shouldn tC. mustn tD. both A and B解析： D. ought to 的反意问句应用oughtnt 或 shouldnt 开头。94.Everyone _ do his best for the modernizations of our country.A. canB. mayC. shouldD. might解析： C. should 含“按理应该做 ” 、“有义务做 ”之意。95.Let s clean our classroom, _?A. will youB. don t weC. shall weD. do you解析： C.

52、 Let s 中的 us 一般包括对方在内。96.Let us play basketball, _?A. will youB. don t weC. shall weD. do you解析： A. Let us 中的 us 一般不包括对方在内。97. He asked me for this book many times. Please tell him that he _ have it tomorrow.A. mustB. mayC. shallD. both B and C解析： D. may 和 shall 均可表“允诺” 。98. “ Your phone number agai

53、n? I _ quite catch it.” “ It s 9568442”.A. didn tB. couldntC. don tD. can t解析： A. 由句后得知句意为“我开始没听清楚对方的电话号码”，为对过去的事实或发生动作的表述。99. Mother _ us stories when we were children.A. was used to tellB. is used to tellingC. used to tellD. used to telling解析： C. used to do“过去（常）做某事” ， be used to doing“习惯于做某事” 。100. She would rather _ more money on books _ on clothes.A. costnotB. to sparedon t C. paythanD. spendthan解析： D. would rather 后接动词原形。Spendon sth.为常用结构