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 our 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。

14.My 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 dirty._______ we clean it?

----Of course.