2017年6月英语四级语法自测练习题：情态动词
语法是英语的基础，贯穿于整个英语四级考试题型中，新东方网英语四级频道为了帮助考生自测英语四级语法薄弱环节，整理了九类英语四级语法自测练习题，希望对英语四级考生有所帮助。
1. I told Sally how to get here, but perhaps I_______ for her.
A. had to write it out B. must have written it out
C. should have written it out D. ought to write it out
2. —There were already five people in the car butthey managed to take me as well.
—It _______ a comfortable journey.
A. can’t be B. shouldn’t be
C. mustn’t have been D. couldn’t have been
3. It’s nearly seven o’clock. Jack _______ be here at any moment.
A. must B. need C. should D. can
4. Johnny, you _______ play with the knife, you _______ hurt yourself.
A. won’t; can’t B. mustn’t; may
C. shouldn’t; must D. can’t; shouldn’t
5. The fire spread through the hotel very quickly but everyone _______ get out.
A. had to B. would C. could D. was able to
6. —When can I come for the photos? I need them tomorrow afternoon.
—They _______ be ready by 12:00.
A. can B. should C. might D. need
7. —I stayed at a hotel while in New York.
—Oh, did you? You _______ with Barbara.
A. could have stayed B. could stay
C. would stay D. must have stayed
8. —Are you coming to Jeff’s party?
—I’m not sure. I _______ go to the concert instead.
A. must B. would C. should D. might
9. I was really anxious about you. You _______ home without a word.
A. mustn’t leave B. shouldn’t have left
C. couldn’t have left D. needn’t leave
10. —Is John coming by train?
—He should, but he _______ not. He likes driving his car.
A. must B. can C. need D. may
11. A left-luggage office is a place where bags _______ be left for a short time, especially at arailway station.
A. should B. can C. must D. will
12. I wonder how he _______ that to the teacher.
A. dare to say B. dare saying
C. not dare say D. dared say
13. When he was there, he _______ go to that coffee shop at the corner after work every day.
A. would B. should C. had better D. might
14. It has been announced that candidates _______ remain in their seats until all the papershave been collected.
A. can B. will C. may D. shall
15. How _______ you say that you really understand the whole story if you have covered onlya part of the article?
A. can B. must C. need D. may
答案解析
1. C。“ought to / should have+过去分词”表示后悔当初该做但却没做某事。“…也许我本该把详细地址写给她的。”
2. D。“couldn’t have+过去分词”表示对过去情况的推测。既然小汽车上“已有五人”，且是“设法”才把你带去的，如此拥挤，旅途当然“不可能”舒服。
3. C。nearly 暗示“时间不早了”，Jack“按理应当(should)随时(at any moment)”都有可能到达这里。must 语气过强;can 一般不用于肯定推测;need 意义不通，也不用于肯定句。
4. B。mustn’t(不许、千万不)表示禁止。may 表示可能性。句意为“你千万不要玩刀子，可能会弄伤自己的”。
5. D。表示过去具体某次“能够”做成某事只能用 was / were able to 而不用could。
6. B。should 表示按理应当，大概。can 一般不用于肯定推测;用 might 语气太不肯定，顾客可能走掉。
7. A。could have done 表示本可以做但却没有做的事。句意为“你本来可以住在 Barbara 那儿的”;而 must have done 只表示有把握的肯定推测，这与前面具有疑问语气的 Oh, did you?不符。
8. D。语境明显提示“我可能(might)要去听音乐会” (from www.yygrammar.com)。
9. B。表示轻微的责备，句意为“我真的好担心你啊。你当时本不该不说一声就离开家的”。
10. D。由“他自己喜欢开车”这一习惯推断，“他可能不会(may not)坐火车来”。can not“不可能”，语气太肯定。
11. B。can 表示“可以”。should(应该), must(必须), will(愿意)均不符合语境。
12. D。dare 作行为动词时,一般接 to do，但疑问式或否定式中 to 可以省略，此句有疑问口气。
13. A。would 表示过去的习惯(from www.yygrammar.com)。
14. 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。
15. A。can 在疑问句中，表示疑惑、怀疑，根据情况可译作“能、可以”等。
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