would have done的具体用法

Thus, Papa insisted that we learn at least one new thing each day. Though, as children, we thought this was crazy, it would never have occurred to us to deny Papa a request.

求教：would have done常见的用法有（对过去）推测用法，还有虚拟用法等；请问，对于此句来说，would have done是哪种用法或如何从用法上去理解这里的would have done？谢谢。

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分类：情态动词

最佳答案 2021-12-03 18:05

这是推测性用法，表示说话人站在现在的立场对过去的推测，你也可以把would改为must。

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曹荣禄 -

擅长：动词用法,句法问题 | 采纳率 82% | 回答于 2021-11-18 20:53

would have done的具体用法

最佳答案 2021-12-03 18:05

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