学习语法首先要学习句子，因为句子是人类语言的核心，通过对句子的分析理解，可以更好的掌握语法。下面是小编整理的考研英语四级语法自测练习：情态动词，希望对你的语法学习有所帮助！
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
