作业帮一道英语改错题,帮帮忙,O(∩_∩)O谢谢!They didn't have finished it by last Sunday.为什么didn't have要改成hadn't?
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一道英语改错题,帮帮忙,O(∩_∩)O谢谢!They didn't have finished it by last Sunday.为什么didn't have要改成hadn't?
一道英语改错题,帮帮忙,O(∩_∩)O谢谢!
They didn't have finished it by last Sunday.
为什么didn't have要改成hadn't?
一道英语改错题,帮帮忙,O(∩_∩)O谢谢!They didn't have finished it by last Sunday.为什么didn't have要改成hadn't?
have在完成时态中做助词
这句话为完成时态,
have 在这句话中做助词 否定的话,直接加not
“by + 过去的时间” 是过去完成时的标志，译作“到。。。为止”要记住哦！
到上周日为止，他们还没完成呢。
by last Sunday是一个过去的时间，要表明finish动作是在“过去的过去”就用过去完成时。
hadn't finished 是过去完成时，在上周之前完成的 典型的“过去的过去”
didn't 是一般过去时的否定式，而且didn't后面要接动词原型的
一道英语改错题,帮帮忙,O(∩_∩)O谢谢!They didn't have finished it by last Sunday.为什么didn't have要改成hadn't?
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