must have been done是什么被动语态
问题描述:
must have been done是什么被动语态
如will be done是一般将来时被动语态,can be done是情态动词被动语态
答
首先 must have done 虽然有情态动词 但是他和情态动词无关,他是只对过去发生事情肯定的推测
The ground is wet ,it must have rained last night.
must have been done 过去发生事情肯定的推测,这个动作是被动!
请给分哟