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标题 高考英语语法摘抄
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高考英语语法摘抄

高考英语语法精要讲解二十四:过去完成时

1、过去发生的两个动作,先发生的用过去完成时

With their help I realized that I had been wrong.

2、过去某时以前发生的动作或情况

He hasn’t finished yet.

He didn’t finish yesterday evening.

He hadn’t finished by yesterday evening.

3、常用过去完成时的情况

①No sooner…than…. Hardly…when…

No sooner had he begun his speech than he was interrupted

②expect, hope, think, want, suppose等动词的'过去完成时(或一般时)表示想做而未做的事

I had planned to send him a telegram, but I didn’t manage it.

4、使用过去完成时的必要性和非必要性

①句意十分清楚时,可用一般时

After I finished, I went home.

②常用一般过去时表示依次发生的动作

I got out of the taxi, paid the fare(车费) and managed it.

③有时必须明确,特别是含when时

When I arrived, Ann left.

(同时见到)(见到Ann)

When I arrived, Ann had left.

(先后发生)(没见到)

5、常用过去完成时的时间主状语

by the end of +过去时间 ; by + 过去时间

by the time + 过去时间;过去时间 + before

比较:

By the time he was 11, he had learned 3000 words .

By the time he is 11, he will have learned 3000 words.

By the time last week, I had learned 3000 words.

By the time next week, I will have learned 3000 words

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更新时间:2024/12/25 21:14:46