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一、过去将来完成时和过去完成时在动作完成的程度上是一致的，都表示过去某段时间已经完成的事情或者完成的一种状态，只是，过去将来完成时更强调的是“将来”，某件事在过去的时间看将来的事情已经完成了。例如：
1.I thought he would have got up by then.
我想她那会儿已经起床了。
2.I thought you would have finished by now.
我想你现在一定已经干完了。 二、过去完成时表示过去某一时间或动作以前已经发生或完成了的动作。它表示动作发生的时间是“过去的过去”。例如：
1.Helen had left her keys in the office so she had to wait until her husband came home.
海伦把钥匙忘到办公室里了，因此她不得不等她丈夫回来。
2.When we got to the cinema, the film had already begun.
当我们到达电影院时，电影已经开始了。
3.He told me that he had visited the Great Wall before.
他告诉我他以前参观过长城。
4.By the end of the match, they had kicked 2 goals, and we had kicked 4.比赛结束时，他们踢进了2个球而我们踢进了4个球。
5.When Jack arrived he learned Mary had been away for almost an hour.
杰克到达后得知玛丽走了近一个小时了。
6.The news came as no surprise to me. I had known for some time that the factory was going to shut down.
听到这个消息我并不感到吃惊。工厂要倒闭这件事我早就知道了。
7.By the time I left the school, he had taught the class for 3 years.
到我毕业时，他已经教那个班三年了。
8.He said he had made great progress since he came here.
他说自从他来这里他已经取得了很大进步。
9.This was the first time they had met in thirty-nine years.
这是39年里他们第一次见面。
10.It was the first time we had spoken together.
这是我们第一次在一起说话。 | 
