一般现在时情态动词句型转换

1. He can play chess. 否定句： 一般疑问句：

特殊疑问句： 反义疑问句： 选择疑问句：(the guitar ) 2. I can （can`t ～.） 能力

I can`t work it out/ I can`t come on time./

I can`t carry the heavy box.

--- Can you spell Wendy,please ---Yes,I ,Wendy.

3. Can you ～ (Could you ～) 能力，许可

Can you help me / swim / come at ten / dance / spell it / sing a song for us/ play

with me /do me a big favor

4. may (may not) 可以，表许可 You may drive my car,but be careful. Students may not stay out after midnight.

Don`t play with the knife, you may hurt yourself.

5. May I ～ 可以，表请求

May I help you / borrow your bike / use your eraser / speak to Sophie,please/have

a look

---May I smoke here ---Yes, you may.

No, you mustn`t / can`t. 6. must 必须，应当

You must open the door at once, or else I`ll break it. Work must come first.

---Must I go with them tomorrow

---No,you needn`t.( No,you don`t have to.)

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7. You mustn`t ～.（You can`t ～.）不准，禁止

You mustn`t cross the road when the light is red /smoke here/ do it again. 8. should (ought to) 应该 Maybe,we should tell him the fact.

I think today`s children should learn to respect their elders. 9. Could you～ 请求 Could you do me a favor

---Could you lend me your dictionary ---Yes,of course. you～ 愿意，表请求

Will you please tell me the secret Will you have some coffee

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