关于had has等英语语法

来源：学生作业帮编辑：拍题作业网作业帮分类：英语作业时间：2024/04/28 18:02:11

关于had has等英语语法
has been V+ing和had been V+ing的区别.

1楼的说得没错.但是这样很抽象,我写个例句吧:
I has been studing English for two months.
我已经持续学习英语两个月了.
(学习英语这件事到你说这句话时还在做,并且对现在有影响,FOR更是在现在完成时句子里的标志介词,)
I had been studing English for two months by the end of this year.
到这年为止,我持续学习英语两个月了
(这一句就没有指是上两个月,这年末已经到了,而你学习英语是年末之前的事,你说这句话的时候已经没在学习英语了.)懂了吗?

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