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what have u been doing的been是什么时态?

来源：学生作业帮 编辑：搜狗做题网作业帮 分类：英语作业 时间：2024/04/28 04:10:54
what have u been doing的been是什么时态?
what have u been doing的been是什么时态?
整句话的时态是现在完成进行式
其实应该问doing是什么时态,been一直都是用于完成式中,例如have been had been
你过去一直在做什么 what have u been doing!
what have u been doing的been是什么时态? what have they been doing 是什么时态 have been doing是什么时态? have been doing sth是什么时态? have /has been doing 是什么时态 have been是什么时态? have+been是什么时态 had been doing是什么时态 had been doing 是什么时态? How long have you been doing是什么时态的句子?这个时态怎样构成? have been的时态. what have you been doing