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时 态 (Tense) YanKang 主持
过去完成时 Past Perfect

形式:had + 动词过去分词。

用法:1,两件过去的事,一件在前另一件在后。
在昨晚的派对上,你的钱包被人偷了。今早你报了警。 警方问:Was Tom there when you arrived?
你答A:No, he had already gone home.
B:Yes, but he went home soon afterwards.

A答案用的是过去完成时表示Tom那时已经回家,显然与后续事件毫不相干。 B答案用的是过去式表示 Tom 当时在场,虽然很早就回家了,但并未排除后续事件与 Tom 的相关性。





 





 

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过去完成时是过去的现在完成时:
I'm not hungry. I've just had lunch--现在完成时。
I wasn't hungry. I'd just had lunch--过去完成时。

过去完成时有时可以和过去一般时互换:
When the play had finished, the audience left quietly.
When the play finished, the audience left quietly.

过去完成时用于虚拟:If you had been born in Finland, you would have been Finnish.       下页