新世纪版高三下册《Using English： Differences between casual and formal English》优秀教学课件

新世纪版高三下册《Using English： Differences between casual and formal English》优秀教学课件

2.---Must I…

---Yes, you must/No, you needn’t.

B.表“猜测”

must(may/might) be/do… can’t be/do…

must (may/might)be doing… can’t be living

must(may/might) have done… can’t have done

C.否定句表“不许或禁止做…” ---May I…

---No, you mustn’t do…

D.表“偏要做令人不快的事”　Must you shout so loudly?

E.表“必定会一定会”　　　　All the wars must come to an end.

Exercises:

1.When I was at your age, I __________ get up at five every morning.

---______ I come here a bit earlier tomorrow? ---Yes, you _____.

2.--- What do you think we can do for our aged parents?(NMET)

---You __________ do anything except be with them and be yourself.

3.He _____________(read) now, for the light in his room is still on.

4.---She looks very happy. She ______________(pass) the exam.(NMET)

5.---Isn’t that Ann’s husband over there?

---No, it ________ be him.I’m sure he doesn’t wear glasses.

6.You must be a teacher,__________ you?

7.They must have been here yesterday,_____________ they?

8.They must have seen the film,____________they?

9.It can’t have rained last night,__________it?

10.We must learn from Mary,_________we?

11.In my opinion, a dictionary is a must for us students.