would not have come back 含义理解

He said he probably would not have come back before the President launched his new policy.

不理解这里为什么用了would not have come back, 而不是would not come back ?

would not have come back 要么是对过去发生的事情的推测，要么是虚拟语气，可是这里似乎这2种都讲不通呀？！

如果要表示在过去将来某时业已发生的事态,可用would+不定式完成体，你的句子就是。如果你单纯表达过去的将来要干某事，可以用would+不定式，即would do sth. 其实现在语法把这个不看成虚拟语气。你这个单纯表达他在……之前会不来。

Patrician2021 -

采纳率 52% | 回答于 2021-06-20 12:07

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