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过去将来完成时态的知识总结

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过去将来完成时态的知识总结

概念:过去将来完成时表示从过去观点看将来某时某动作业已完成。这个时态用得相对比较少,通常主要用于转述方面,即用于间接引语中。
结构:过去将来完成时由“would+have+过去分词”构成。
用法及用例
1、过去将来完成时表示在过去将来某一时间以前发生的动作,并往往会对过去将来某一时间产生影响。

I thought you'd have left by this time.


我想这会儿你已经走了。


He told them he would have finished it by 8 o'clock.


他告诉他们他会在8点以前干完。


I guessed that Helen would have told her something.


我猜海伦会告诉她一些情况的。


2、 过去将来完成时还常用在虚拟语气中,表示与过去的事实相反。
[注]在当代英语中,大家都用 would (缩略式为 'd)
3.过去将来完成时表示在过去看来将来某时会已经完成的动作:

She said she’d have finished her exams by then.


她说那时她会已经考完试了。


I thought Sophia would have told you something.


我想索菲娅会已告诉你一地情况。


I thought you would have finished by now.


我想你现在一定已经干完了。


There are a lot of things I should have liked to ask you.


有好些事我本想问你的。


He knew by the time he arrived she would have gone home.


他知道他到时她会已经回家了。


Well, well! Who would have guessed it!


真是的! 这谁会想到呀! 

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