用“can “could 来谈论可能性我们使用 `can’ / `could’来谈论某事得可能性.但我们不用它们来谈论某事将会发生的机会. e.g. 1) Fire can be d——青夏教育精英家教网—

用“can “could 来谈论可能性我们使用 `can’ / `could’来谈论某事得可能性.但我们不用它们来谈论某事将会发生的机会. e.g. 1) Fire can be dangerous if we are not careful. (It is possible for fire to cause danger if we are not careful.) 2) Mr. Sun could not get out because he hurt his leg. (It was not possible for Mr. Sun to get out because he hurt his leg.) 【查看更多】

can, could, may和might都可用来表示允许、许可或请求允许、许可，请用can, could, may或might填空。

1．－________(Could, May)I watch TV, Mum?

－Yes, you ________(can, may), but you must finish your homework first．

2．－________(Might, Can)I borrow your bike?

－Yes, you ________(can, may)．

3．－________(May, Might)I ask you a question?

－Yes, please．

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(用 can, could, may, might 或 must 填空)

_______ you please help me carry the heavy box, Mom?

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(用 can, could, may, might 或 must 填空)