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过去完成时(讲解及练习)

过去完成时(讲解)

(1)构成:had + 过去分词(v-ed)构成。

过去完成时(讲解及练习)

过去完成时(讲解及练习)

(2)用法:

1) 表过去的过去

2) 过去完成时考点分析

①(A)在by、by the end、by the time、until、before、since后接表示过去某一时间的短语或从句以前发生的动作。

如:By the end of last year, we had produced 20,000 cars.

The train had left before we reached the station.

(B)表示曾实现的希望、打算、意图、诺言等。

常用had hoped / planned / meant / intended/thought / wanted / expected等或用上述动词过去式接不定式完成式表示即:hoped / planned … + to have done。

(C)“时间名词 + before”在句子中作状语,谓语动词用过去完成时; “时间名词 + ago”在句中作状语,谓语动词用一般过去式。

如:He said his first teacher had died at least 10 years before.

Xiao Hua left school 3 years ago.

(D)表示“一……就”的几个句型:Hardly / Scarcely ..........when...........

Hardly / Scarcely + 过去完成时 + when + 一般过去时。 No sooner + 过去完成时 + than + 一般过去时。 如:We had no sooner been seated than the bus started.

= No sooner had we been seated than the bus started.

②在before或after引导的时间状语从句中用一般过去时态代替过去完成时。 After he (had)left the room, the boss came in.

We arrived home before it snowed.

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