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HavedoneHavebeendoingHavebeendone怎么用,在什么时候用?.有什么区别啊?.用的时候有什么提示词
题目详情
Have done
Have been doing
Have been done
怎么用,在什么时候用?.有什么区别啊?.用的时候有什么提示词
Have been doing
Have been done
怎么用,在什么时候用?.有什么区别啊?.用的时候有什么提示词
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答案和解析
have done 是简单的完成时 如：I have finished my homework .
have been doing是完成进行时 如：I have been doing my homework since last week.(有时间提示)
have been done是完成时的被动语态 如：My homework has been done .
have been doing是完成进行时 如：I have been doing my homework since last week.(有时间提示)
have been done是完成时的被动语态 如：My homework has been done .
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