to have done , having done 选哪个?为什么?

学习时间:2026-08-13 07:05:12 阅读：9538

to have done , having done 选哪个?为什么?_______ the home work,We went home.A.Having finished B.To have finished 选哪个? 为什么? 老师说 to have done , having done 表示发生在谓语动词之前这2个都是之前 , 有什么区别呢?

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怡然的小兔子

2026-08-13 07:05:12

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1、we have finished the homework。2、we went home。两句合在一起,第一句的have变成having,表示已经完成的状态。选A啦扩展：we went home to finish the homework。就可以表示成 to finish the homework,we went home。to do形式表示目的,未完成。再问：不对呀？老师说发生在谓语动词之前的都能用再答： to have done 是将来完成时啊！

to have done , having done 选哪个?为什么?

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