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最佳答案:是的,可以.could既可以作为can的过去时又可以作为can来用.couldn't 相对应的就是can't
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最佳答案:否定句:he can't paint ; she can't sing ; I can't dance一般疑问句:can he paint can she si
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最佳答案:否定句:He can't swim.疑问句:Can he swim?肯定回答:Yes,he can.否定回答:No,he can't
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最佳答案:can that boy draw well?yes, he can
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最佳答案:Can you sing?Yes.We can sing.What can you do?
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最佳答案:Can Chen Jie play the pipa?Yes,she can.No,she can't.
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最佳答案:Can they help us? No,they can't.
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最佳答案:can就是助动词,直接将其提到句首构成一般疑问句.Can she draw?肯定回答:Yes,she can.
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最佳答案:【一般疑问句】:Can Bonnie play football【肯定回答】:Yes ,he can .【否定回答】:No ,he can't .不清楚的请追问
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最佳答案:may I do...Yes,you may.No,you can't/ mustn't.Can I do sth?Yes,you can.No,you can