急需知道”情态动词+have”用法即”may/might/must/can/could等+have"的意义及区别
比如说:
must have + done 以及 must have + been done 的意义及区别
还有:
can/could/may/might/must + have 之间的意义 用法以及区别
人气:174 ℃ 时间:2019-08-20 00:57:07
解答
must have + done 应该做了……
must have + been done 当时应该做……
上面的几个组合只是语气上有区别
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