情态动词专项练习及答案
情态动词专项练习
1. Jean have kept his promise. I wonder why he changed his idea.
A. must
B. should
C. need
D. 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. Jane have come to the party, but she not find the exact time.
A. could; could
B. might; could
C. should; could
D. 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 be
B. had to
C. would be
D. 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 brother be at home now, because he was seen playing basketball in the stadium just now.
A. mustn’t
B. needn’t
C. can’t
D. shouldn't
解析：选C. can’t be at home 意为：不可能在家。
5．---I can’t understand why ou r boss is late.
---He the early bus.
A. could miss
B. may have missed
C. can have missed
D. 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 didn't answer the phone, she ______ asleep.
A. may be
B. must be
C. should have been
D. 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 cry
B. must cry
C. must be cried
D. 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 having
B. needn’t be having
C. mustn’t be having
D. shouldn't 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 stolen
B. must be stolen
C. must have been stolen
D. 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; to
C. Did; use to
D. 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 to
B. not need to
C. don't 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. Will
B. Shall
C. Must
D. 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. need
B. needn’t
C. must
D. mustn’t
解析：选C. Yes的意思是：不。意为：恐怕我必须现在就做。
English-Chinese dictionary has disappeared . Who _____ have taken it
A. should
B. must
C. could
D. 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 we clean it
----Of course.
A． Will B. Shall C. Would D. 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’t
B. mustn’t
C. may not
D. won’t
解析：选B. 根据句意用mustn’t
17. If you want to borrow a football after school, your student card______ here.
A. has to leave
B. must leave
C. has to be left
D. 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 do
B. I’d rather not have done
C. I shouldn’t do
D. 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’t
B. No, I don’t
C. No, I can’t
D. No, I won’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’t
B. can’t
C. isn’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’t
B. mustn’t
C. will not
D. may not
解析：选A. 否定推测用can’t不用mustn’t
22. “Do you have to leave now”
“I am very sorry, but I really______.”
A. can’t
B. have
C. should
D. must
解析：选D. 回答have to 的疑问句用must作肯定回答。
23. “Let’s go to the library, shall we”
“_________”
A. No, I can’t
B. Yes, I will
C. Yes , thank you
D. 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.”
A. should
B. could
C. would
D. 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：Hadn’t you better----
25. You _______ have brought your camera. They all had theirs with them.
A. couldn’t
B. needn’t
C. wouldn’t
D. mustn’t
解析：选B. 本来不必要做某事.
26. See who is there!______it be May
A. May
B. Must
C. Can
D. 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. may
B. mustn’t
C. can’t
D. should
解析：选C. 断然的不定推测用can’t
28. The Chinese teacher looks so pale. She ______ be ill.
A. must
B. mustn’t
C. can
D. need
解析：选A. 表示有把握的肯定推测用must
29. Something______to save our earth. Do you think so
A. can do
B. must do
C. has to do
D. 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. ought
B. can
C. would
D. should
解析：选D. ought 后应用to
31. — 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. can’t come
D. 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。
32. — May I park my car here
— No, you ______. No car is allowed to park here.
A. may not
B. needn’t
C. mustn’t
D. daren’t
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needn’t或don’t 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’t
B. can’t
C. needn’t
D. 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 Tongyu Station this morning.
—You ______. He’s still on holiday in Hawaii.
A. couldn’t have
B. mustn’t have
C. shouldn’t
D. needn’t
解析：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……”。
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-by’s quick action, the girl ______.
A. was drowned
B. could have been drowned
C. 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. mustn’t; may
D. can’t; must
解析：C。mustn’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. must
B. oughtn’t to
C. may
D. 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 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. —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 eat
B. mustn’t have eaten
C. shouldn’t have eaten
D. 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 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 o’clock, and she ______ be there now.
A. should
B. can
C. can’t
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. mustn’t
B. wouldn’t
C. can’t
D. 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. 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 wash
C. 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. can’t
C. don’t
D. needn’t
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’t
B. needn’t
C. doesn’t D 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. would
B. should
C. didn’t
D. shouldn’t
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shouldn’t 或oughtn’t。
54. You used to smoke, ______ you
A. used to
B. don’t
C. didn’t
D.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 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. I’m 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 didn’t see her in the meeting room this morning. She _____ at the meeting.
A. mustn’t have spoken
B. shouldn’t have spoken
C. needn’t have spoken
D. couldn’t have spoken
解析：D. must表示推测时不用于否定句；shouldn’t 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 hasn’t done.
A. not to be punished
B. to not be punished
C. 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 smoked
C. 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. mustn’t go
B. shouldn’t go
C. couldn’t have gone
D. shouldn’t have gone
解析：D. 题中的A项和B项都指现在情况；couldn’t have gone表示“不可能去过”；shouldn’t 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. I’m 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. won’t
B. needn’t
C. can’t
D. don’t
解析：B. must开头的疑问句，否定答语用needn’t或don’t 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. needn’t to come
B. don’t need come
C. don’t need coming
D. needn’t come
解析：D. need作为情态动词，其否定形式为needn’t；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. 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. mustn’t have hurried
B. couldn’t have hurried
C. must not hurry
D. 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 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. can’t
B. mustn’t
C. needn’t
D. 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 hurry
B. wouldn’t hurry
C. may not hurry
D. don’t have to hurry
解析:D. don’t have to = needn’t
78. Please open the window, _____
A. can’t you
B. aren’t 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. mustn’t have waited
B. shouldn’t have waited
C. must n’t wait
D. 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”、“劝告”，“批评”之意。
80. — May I stop here — No, you _____.
A. mustn’t
B. might not
C. needn’t
D. won’t
解析：A. may开头的疑问句，否定答语常用mustn’t。
81. It’s a fine day. Let’s go fishing, _____.
A. won’t we
B. will we
C. don’t we
D. 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 the meeting.
A. mustn’t have spoken
B. shouldn’t have spoken
C. needn’t have spoken
D. 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’t
B. No, I won’t
C. No, I will
D. Yes, I will
解析：B. will在此处表示“意志（向）”。
84. The young man has made so much noise that he _____ not have been allowed to attend the concert.
A. could
B. must
C. would
D. 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 be
B. must be
C. can be
D. must have been
解析：B. must do表示对现在的事实进行推测。
86. Since the road is wet this morning, _____ last night.
A. it must rain
B. it must be raining
C. it must have rained
D. 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 cin ema tonight.
A. must go
B. can go
C. may go
D. may be 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 happened
B. may have happened
C. should have happened
D. 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 you
B. are you
C. must you
D. aren’t you
解析：Dmust表示推测时，其后的反意问句有两种情况：①对现存状态（现在的事实）进行推测时，反意疑问句中动词用其一般现在形式。②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 done
B. didn’t need to do
C. needn’t have done
D. can’t have done
解析：C. needn’t 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 need to.”
91. He _____ have come here yesterday, but he didn’t.
A. could
B. should
C. ought to
D. all the above