新概念英语第2册:Lesson14 Do you speak English?语法知识点

2018-05-23 15:15:27来源:网络

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新概念英语第2册:Lesson14 Do you speak English?语法知识点

  过去完成时(The simple past perfect tense)

  过去完成时由 had+ 过去分词构成,它表示过去某时或某动作发生之前已经完成的动作或情况,即“较早的过去”。在用

  过去完成时态的句子中,常用的连词有 when, after, as soon as, until, by that time等:

  When I woke up in the morning, she had already had

  her breakfast.

  当我早上醒来时,她已经吃过早饭了。

  After he had said goodbye to us all, Captain Alison started his journey.

  当艾利森船长和我们大家都道了别之后,他就启程了。

  Did you really ring the police?

  你真的给警方打电话了?

  It was a mistake. I realized it as soon as I had rung them.

  我犯了个错误。刚给他们打完电话我就意识到了。

  I didn't know that she was a famous actress until you had told me.

  直到你告诉我时我才知道她是位名演员。

  常与现在完成时连用的副词如already, just, never, never…before也常与过去完成时连用,以强调事件发生的先后次序:

  The boys loved the zoo. They had never seen wild animals before.

  男孩们喜欢动物园,以前他们从没见过野兽。

  在有些用过去完成时的句子中没有明确的时间状语,但通过上下文可以看出动作发生的先后:

  Why was he so pleased?

  他为什么这么高兴?

  I had repaired his bicycle.

  (因为)我把他的自行车修好了。

  Why couldn't you open the door?

  (当时)你为什么开不了门?

  I hadn't taken the key.

  (因为)我没带钥匙。

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