英語的過去完成時(shí)表示表示過去的過去。這個(gè)是大家在中學(xué)時(shí)期就知道的，今天，小編為同學(xué)們帶來了相當(dāng)豐富的與英語過去完成時(shí)的相關(guān)語法，一起來看看吧！

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概念： 表示過去的過去，其構(gòu)成是had +過去分詞?！　?/p>

一、過去完成時(shí)常用的連詞有： before, by, until, when, after, once, as soon as等。例如：

He said that he had learned some English before.

By the time he was twelve, Edison had began to make a living by himself.

Tom was disappointed that most of the guests had left when he arrived at the party.

二、在什么情況下使用過去完成時(shí)？

1. 在told, said, knew, heard, thought等動(dòng)詞引導(dǎo)的賓語從句中，一般用過去完成時(shí)。例如：

She said (that) she had never been to Paris.

2. 狀語從句

在過去不同時(shí)間發(fā)生的兩個(gè)動(dòng)作中，發(fā)生在先，用過去完成時(shí)；發(fā)生在后，用一般過去時(shí)。例如：

When the police arrived, the thieves had run away.

3. 表示意向的動(dòng)詞，如hope, wish, expect, think, intend, mean, suppose等，用過去完成時(shí)表示“原本……，未能……”。例如：

We had hoped that you would come, but you didn't.

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典型例題：

The students ________ busily when Miss Brown went to get a book she ____ in the office.

A. had written, left

B. were writing, has left

C. had written, had left

D. were writing, had left

答案D。 “把書忘在辦公室”發(fā)生在“去取書”這一過去的動(dòng)作之前，因此“忘了書”這一動(dòng)作發(fā)生在過去的過去，用過去完成時(shí)。句中when代表時(shí)間的一點(diǎn)，表示在“同學(xué)們正忙于……”這一背景下， when所引導(dǎo)的動(dòng)作正在發(fā)生。因此前一句應(yīng)用過去進(jìn)行時(shí)。

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