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英语
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must have been与must have done的区别?
人气:335 ℃ 时间:2019-08-23 06:05:21
解答
其实两者在时态都没有什么区别,都是表示过去一定做过某事~但是~
must have been强调的是状态
must have done强调的是动作~
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