It's time you went to bed.went为什麼用过去式

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It's time you went to bed.went为什麼用过去式
It's time you went to bed.went为什麼用过去式

It's time you went to bed.went为什麼用过去式
其实是个虚拟语气的问题
it's time to do /for sth.
it's time that did
it's the first time that have/has done
it's the first time that had done

这个算是固定短语,是应该记忆的:
It's time + did sth
It's time +to do sth

虚拟语气。
It is the high/about time that sb. did sth.
e.g. It is time that we went to school.

规定
it's time + did sth
it's time to do sth

虚拟吧

it's time that sb.did sth
如果你是个初中生,就把这个当作固定的用法记下来.但是注意和it's time for sb to do sth的区别.
前面是加一个句子,用过去式,后面的句式是加不定式,用动词原形.
如果你程度高一些的,可以解释一下,这是一个虚拟语气的用法.在从句中,表示应该做某事,但是,有没有真的去做并不确定的时候,只是提出一个建议或...

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it's time that sb.did sth
如果你是个初中生,就把这个当作固定的用法记下来.但是注意和it's time for sb to do sth的区别.
前面是加一个句子,用过去式,后面的句式是加不定式,用动词原形.
如果你程度高一些的,可以解释一下,这是一个虚拟语气的用法.在从句中,表示应该做某事,但是,有没有真的去做并不确定的时候,只是提出一个建议或是要求时,用虚拟语气,既把现在时倒退一格,变成过去时.
当然,表达这种虚拟语气,还有另一种方式,即:should do,should可省略,suggest,advise都是这种用法,但是,it's time that用的是前一种,用过去时来虚拟.

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