2020年中考英语知识点之过去完成时的判断依据_过去完成时-查字典中考网
 
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2020年中考英语知识点之过去完成时的判断依据

发布时间:2019-10-08 17:20:45来源:查字典-中考网

查字典中考网整理了关于2020年中考英语知识点之过去完成时的判断依据,希望对同学们有所帮助,仅供参考。

1. 由时间状语来判定:一般说来,各种时态都有特定的时间状语。与过去完成时连用的时间状语有:

( 1 ) by + 过去的时间点。

如: I had finished reading the novel by nine oclock last night.

( 2 ) by the end of + 过去的时间点。

如: We had learned over two thousand English words by the end of last term.

( 3 ) before + 过去的时间点。

如: They had planted six hundred trees before last Wednesday.

2. 由过去的过去来判定:过去完成时表示过去的过去,是指过去某一动作之前已经发生或完成的动作,即动作有先后关系,动作在前的用过去完成时,在后的用一般过去时。这种用法常出现在:

( 1 )宾语从句中

当宾语从句的主句为一般过去时,且从句的动作先于主句的动作时,从句要用过去完成时。在told, said, knew, heard, thought等动词后的宾语从句。如:

She said that she had seen the film before.

( 2 )状语从句中

在时间、条件、原因、方式等状语从句中,主、从句的动作发生有先后关系,动作在前的,要用过去完成时,动作在后的要用一般过去时。如:

When I got to the station, the train had already left.

After he had finished his homework, he went to bed.

注意: before, after 引导的时间状语从句中,由于 before 和 after 本身已表达了动作的先后关系,若主、从句表示的动作紧密相连,则主、从句都用一般过去时。如:

Where did you study before you came here?

After he closed the door, he left the classroom.

( 3 )表示意向的动词,如hope, wish, expect, think, intend, mean, suppose等,用过去完成时表示原本,未能

We had hoped that you would come, but you didnt.

3. 根据上、下文来判定。

I met Wang Tao in the street yesterday. We hadnt seen each other since he went to Beijing.

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