isdone和wasdone的区别

如题所述

第1个回答  2022-11-29
一般现在时的被动语态 用 is done
过去时的被动语态 用 was done
如果前面有 would should will、can等之类的词后,被动语态用 be done
例如:
He is foolish,so he is often cheated.
That fish was eaten yesterday.
This problem should be solved soon, it is not hard.
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