过去一直在不断的做某事,英语应该用哪个时态是"has/have been done"吗

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/02 16:21:07
过去一直在不断的做某事,英语应该用哪个时态是"has/havebeendone"吗过去一直在不断的做某事,英语应该用哪个时态是"has/havebeendone"吗过去一直在不断的做某事,英语应该用哪

过去一直在不断的做某事,英语应该用哪个时态是"has/have been done"吗
过去一直在不断的做某事,英语应该用哪个时态
是"has/have been done"吗

过去一直在不断的做某事,英语应该用哪个时态是"has/have been done"吗
过去到现在为止一直在做某个事情:
have been doing sth
过去到过去某个时间为止一直在做某个事情:
had been doing sth
你所说的has/have been done是指该工作到现在为止已经完成

has/have been doing

是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done ...

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是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done 是的has/have been done v

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过去进行时. was/ were doing

was/were doing
过去进行时

完成进行时have been doing

过去进行时

have been doing

be used to do something