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为什么it is time后动词可以用过去式?

来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:英语作业 时间:2024/05/10 16:54:40
为什么it is time后动词可以用过去式?
为什么it is time后动词可以用过去式?
“It is time + 从句”表示的是说话人的个人愿望,意思是“本来到了做某事的时间,但是却与事实相反”,因此从句要用虚拟语气.对现在虚拟用从句的谓语动词过去时,对过去的虚拟用过去完成时,对将来虚拟用“should+原形【should 可以省略】”.如:

It is time (that) you got up.你早该起床了.(事实上还没起来)
It was time (that) he had done his homework yesterday.他本该昨天就要完成作业.(事实上没有写完)

  同样类型的虚拟从句还有——

had better + that 从句 —  倒是希望某人做某事
  如:I’d better we went home earlier.我倒是希望我们在一点回家

would rather + that 从句  —  宁愿某人做某事
  如:I would rather he (should) come tomorrow.我宁愿你明天来.

wish + that 从句 — 但愿某人做某事就好了
  如:I wish I were a bird.但愿我能变成一只鸟