had+过去分词 had+been过去分词 写成句子分别是那里.最好详细一点.

lichen_peter 1年前 已收到2个回答 举报

害羞的沉默 幼苗

共回答了15个问题采纳率:100% 举报

had done 是已经做过某事
had been done是某事已经被做过
he had cleaned the room.他已经打扫过了房间.
the room had been cleaned by him.房间已经被他打扫过了.

1年前

3

pansmis 幼苗

共回答了7个问题 举报

前者表主动,后者表被动

1年前

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