2021年中考英语复习之过去完成时句型结构

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过去完成时

过去完成时用来表达某事发生在另一个时间点之前。它经常被用来提供上下文或解释。

这种时态常与下列时间短语连用:

... before

already

once, twice, three times,等等

... by the time

基本结构

肯定的

Subject + had + past participle + object(s) + time Expression

主语+ had +过去分词+宾语(s) +时间

She had already eaten by the time the children came home.

否定的

Subject + had not (hadn't) + past participle + object(s) + time Expression

主语+ had not (hadn't) +过去分词+宾语(s) +时间

They hadn't finished their homework before the teacher asked them to hand it in.

问答

(Question Word) + had + subject + past participle + object(s) + time Expression

(疑问词)+ had +主语+过去分词+宾语(s) +时间

Where had you gone before the class began?