1. She passed me in the street without speaking, she ____ me.

A. can't see　　　　　　　　　　B. can't have seen

C. shouldn't have seen　　　　 D. shouldn't see

7. shouldn't (oughtn't to) + have + 过去分词

1). Can (Could) they have completed their work so soon?

2). She can't (couldn't) have make a mistake.

3). Since the ditch is full of water , it ____ (rain) last night.

4). He said that she might have misunderstood him.

Exercises : Choose the correct answer.

6. should (ought to) + have + 过去分词

4. may (might) + have + 过去分词　　　　 5. needn't + have + 过去分词

2. can't (couldn't) + have + 过去分词　　 3. must + have + 过去分词　

1. can(could) + have + 过去分词

9. need　 1). 作为情态动词:必须　　　 2). 作为实义动词: 需要

A.主语是人　 need( to do something ; to be done by somebody)　　　　

　B. 主语是事物　　 need ( doing; to be done)

1). -Do they need to take any books with them?

　　 -No, they don't need to.

2). -Need we buy any new equipment?　　 -No, we needn't.

3). This farm tool needs repairing. This farm tool needs to be repaired.　 4).There is no need for him to come.

4). -Shall I tell John about it ?　

　　 - No, you ___ . I've told him already.

A. needn't　　 B. wouldn't　　　 C. mustn't　　　 D. shouldn't

5). It's a fine day. You ____ take a raincoat with you.

A. can't　　　　 B. mustn't　　　　 C. needn't　　　 D. may not

l　　　　 　情态动词 + 不定式的完成式是高考的考试要点

8. dare　 1. dare to come　　　 2. dare come

1). He dare not tell the truth. 2). He doesn't dare to come out at night.

3). I don't know whether he ____ try.

A. dare　　　 B. needs　　　　 C. wants　　　　 D. is allowed

7. ought to　　 应该; 应当　　　

1). You oughtn't to smoke too much.

2). She ____ for what she has done.

A. ought to praise　　　　　　　　　B. ought be praised

C. ought to have praised　　　　　　 D. ought to be praised

6. will, would

1). 在疑问句中用于第二人称,表示说话人向对方提出请求或询问。用would语气更加婉转。

2). will　 表示现在的习惯性动作或状态;would 表示过去的习惯性动作或状态。

3). will 用于各种人称, 表示 意志、意愿、决心、允诺; would 表示过去时间的 意志、意愿、......。

(1). Don't smoke in the meeting room, ___ you ?

A. do you　　　　　 B. will you　　　　　 C. can you　　　 D. coud you

-Will you come with me ?　 -Yes, I will.(I am sorry , I can't.)

(2). -Would you tell us something about yourself ?　 -Yes, I will.

(3). - It's my birthday tomorrow. Don't forget to come to my party.

- _____ .

A. I don't　　　　 B. I won't　　　　　 C. I can't　　　　D. I haven't