shall have done和would have done在虚拟语气句中是什么意思?

问题描述:

shall have done和would have done在虚拟语气句中是什么意思?
1个回答 分类:英语 2014-10-19

问题解答:

我来补答
应该是should have done吧~
should have done 是本应该要做,但没有做
would have done 是对将来的虚拟
 
 
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