小学英语语法讲解-动词 情态动词

情态动词

一、情态动词的定义：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。

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：

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.

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…

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.

四、相关练习：

(一) 用适当的情态动词填空。

1. Must I borrow the book with my ID card? No, you ________.

2. ________ I use your car? Yes, you ________.

3. ________ I go home now? No, you _________ stay here.

4. My mother is ill. I _________ stay at home and look after her.

5. ________ you like some tea?

6. You ________ take more exercise.

7. ________ you tell me how to get to the Qingyun Park?

8. The clock ________ tell us the time.

9. ________ you like to go fishing with me?

10. ________ we play football this afternoon?

(二) 按要求改写句子。

1. I can run fast.

I ________ ________ fast. (否定句)

2. You must return the book now.（一般疑问句）

________ I the book now? No, you ________.

3. He can play basketball well. （一般疑问句）

_______ he ______ basketball well?

4. They must take the books out of the room. （否定句）

They ________ ________ the books out of the room.

5. He should get up early. (否定句)

He _______ get up late.

(三) 单项选择。

（）1. you like some milk ? A . Would B. Could C . Can （） 2. We pick the flower in the park. A. can’t B. don't C. mustn’t

( ) 3.W e should more trees, and we shouldn’t cut any trees.

A. plant

B. planting

C. plants

( ) 4.May I have some coffee?

A.Yes,you have.

B. Yes,you can.

C. Yes,certainly.

( ) 5.Shall we visit the factory?

A.Yes,we do.

B.Yes, we shall. B.All right.

( ) 6.Would you like something to eat?

A.Yes,we would.

B.Yes, I’d like some cakes.

C.Yes, of course.

( ) 7.What can I do for you?

A.Yes,you can.

B.No,I can do it.

C. Yes.I’d like some orange s.