初中英语语法之情态动词优秀9篇

情态动词有can (could), may (might), must, have to, shall (should, will (would), dare (dared), need (needed), ought to等。 情态动词无人称和数的变化;不能单独使用,必须与其后的动词原形构成谓语。下面是的小编为您带来的初中英语语法之情态动词优秀9篇,如果对您有一些参考与帮助,请分享给最好的朋友。

may, might 篇1

Can this be true?

This can’t be done by him.

How can this be true?

情态动词的定义: 篇2

情态动词有词义,但它不能单独作谓语,它必须和其他动词一起构成谓语。

情态动词没有人称和数的变化;

它的后面必须跟动词原形。

表示请求和允许。 篇3

Can you lift this heavy box?(体力)

Mary can speak three languages.(知识)

Can you skate?(技能)

此时可用be able to代替。Can只有一般现在时和一般过去式;而be able to则有更多的时态。

I’ll not be able to come this afternoon.

当表示“经过努力才得以做成功某事”时应用be able to,不能用Can。如:

He was able to go to the party yesterday evening in spite of the heavy rain.

情态动词的用法 篇4

can大类:

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?

may大类:

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☆☆?

should大类:

11、should 、shouldn’t 表示劝告:

1) He should get up early.

2) She shouldn’t play computer game too much.

12、Should +主语 +动词原形?

Yes, ~ should.\ No, ~ shouldn’t.

would大类:

13、表示建议“你愿意…吗”

Would you like to go shopping with me? -----Yes, I’d love to. /I’d love to. But I’m busy now.

14、就餐用语

Would you like something to eat\drink? ----Yes, I’d like…

shall大类:

15、shall用于第一人称(I, we), 可以表示“将”和表示建议 “……好吗?”

1) Where shall we have dinner?

2) Shall we go fishing? -----All right. \OK. \Good idea.

16、Must + 主语 + 动词原形?

Yes,~ must.\No, ~ needn’t.

表示推测(惊讶、怀疑、不相信的态度),用于疑问句、否定句和感叹句中。 篇5

They’ve changed the timetable, so we can go by bus instead.

This hall can hold 500 people at least.

表示推测、可能性(不用于疑问句)。 篇6

----Might/ May I smoke in this room?

---- No, you mustn’t.

---- May/Might I take this book out of the room?

---- Yes, you can. (No, you can’t / mustn’t. )

用May I.。.?征徇对方许可时比较正式和客气,而用Can I.。.?在口语中更常见。

表示客观可能性(客观原因形成的能力)。 篇7

-----Can I go now?

----- Yes, you can. / No, you can’t.

此时可与may互换。在疑问句中还可用could,might代替,不是过去式,只是语气更委婉,不能用于肯定句和答语中。

---- Could I come to see you tomorrow?

---- Yes, you can. ( No, I’m afraid not. )

must, have to 篇8

May you succeed!

can, could 篇9

might不是过去式,它所表示的可能性比may小。

1.He may /might be very busy now.

2.Your mother may /might not know the truth.

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