16个情态动词有如下:
1、Can I help you? ——Yes, please. / No, thanks.
2、Can + 主语 + 动词原形? Yes, ~ can. No, ~ can’t.
3、Can I borrow your book?----Yes,of course.
4、Can I write on the book? ------No, you can’t\mustn’t.
5、Could \Can you help me?---- Yes,of course.\Certainly.\ Sure.
6、Could \Can you tell me the way to the Zoo?
7、May I come in ?----- Come in, please.
8、May I sit here?----- Yes, please.\Sorry, please don’t.
9、May I have some Coke?---- Yes, of course.
10、May/ Could / Can I speak to Tom? -----Speaking. Who’s calling?
11、should 、shouldn’t 表示劝告。
12、Should +主语 +动词原形?
13、表示建议“你愿意,吗”
14、就餐用语Would you like something to eat\drink?
15、shall用于第一人称(I, we), 可以表示“将”和表示建议。
16、Must + 主语 + 动词原形?