小学情态动词总复习

小学情态动词总复习 -CAL-FENGHAI-(2020YEAR-YICAI)_JINGBIAN

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。

三．用法特点

⑴它们必须与其他动词连用，

即：肯定：情态动词＋动词原形：He can swim.

否定：情态动词+not+动词原形：He can not(can’t)swim.

一般疑问句：把情态动词提前：Can he swim?Yes,he can./No,he can’t.

表示说话人对所述动作的看法，如需要、可能、意愿或怀疑等。

⑵情态动词没有人称和数的变化，即第三人称单数不加-s，有些情态动词

有时态的变化

⑶在意义上，情态动词具有“多义性”。

例：can既可表示能力，又可表示可能、允许等意义。

四、情态动词的用法及主要句型：

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（借用） 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.

情态动词练习

一．按照要求改写句子

1. I can run fast.

I ________ ________ fast. (否定句)

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

________ I return 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.

6. Daniel must watch TV every evening.(改为否定句)

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7. I can’t do my homework every day.(改为肯定句)

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8. You’ll need your book and pen..(改为否定句)

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9.We shall like playing computer games.(翻译句子)

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10. She should go to school every morning.(改为否定句)

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11. He can speak English very well.(翻译句子)

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12. Would you like to drink coffee(

肯定回答)

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13. She can walk quickly. (否定句)

14. They can paint the wall well. （一般疑问句）________________________________________________________

15. Tom must carry the box into the room. （否定句）

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16. She should reach the station early. (否定句)

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