英语中过去完成进行时的被动语态是什么
发布网友
发布时间：2022-04-28 10:33
共4个回答
热心网友
时间：2023-09-26 13:46
过去完成时sth. had been done
现在完成进行时sth. have been doing
过去完成进行时的sth. had been doing
热心网友
时间：2023-09-26 13:47
sth. had been done
热心网友
时间：2023-09-26 13:47
had + been done
如: Protion costs had been greatly decreasad by
the time the plan was made.
热心网友
时间：2023-09-26 13:48
Had been being done
