导语：中学英语涉及到的时态一共有16种，下面给大家准备了过去将来完成时用法说明，希望对大家复习备考有帮助。
一、构成方法
过去将来完成时由would+have+过去分词构成。
二、用法及用例
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 shed 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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