2023年初中英語(yǔ)語(yǔ)法：過(guò)去完成時(shí)的判斷依據(jù)

過(guò)去完成時(shí)的判斷依據(jù)

1.由時(shí)間狀語(yǔ)來(lái)判定

一般說(shuō)來(lái)，各種時(shí)態(tài)都有特定的時(shí)間狀語(yǔ)。與過(guò)去完成時(shí)連用的時(shí)間狀語(yǔ)有：

( 1 ) by +過(guò)去的時(shí)間點(diǎn)。如：

I had finished reading the novel by nine o'clock last night.

( 2 ) by the end of +過(guò)去的時(shí)間點(diǎn)。如：

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

( 3 ) before +過(guò)去的時(shí)間點(diǎn)。如：

They had planted six hundred trees before last Wednesday.

2.由“過(guò)去的過(guò)去”來(lái)判定。 過(guò)去完成時(shí)表示“過(guò)去的過(guò)去”，是指過(guò)去某一動(dòng)作之前已經(jīng)發(fā)生或完成的動(dòng)作，即動(dòng)作有先后關(guān)系，動(dòng)作在前的用過(guò)去完成時(shí)，在后的用一般過(guò)去時(shí)。這種用法常出現(xiàn)在：

( 1 )賓語(yǔ)從句中，當(dāng)賓語(yǔ)從句的主句為一般過(guò)去時(shí)，且從句的動(dòng)作先于主句的動(dòng)作時(shí)，從句要用過(guò)去完成時(shí)。在told, said, knew, heard, thought等動(dòng)詞后的賓語(yǔ)從句。

如：She said that she had seen the film before.

( 2 )狀語(yǔ)從句中，在時(shí)間、條件、原因、方式等狀語(yǔ)從句中，主、從句的動(dòng)作發(fā)生有先后關(guān)系，動(dòng)作在前的，要用過(guò)去完成時(shí)，動(dòng)作在后的要用一般過(guò)去時(shí)。

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，as soon as引導(dǎo)的時(shí)間狀語(yǔ)從句中，由于before和after本身已表達(dá)了動(dòng)作的先后關(guān)系，若主、從句表示的動(dòng)作緊密相連，則主、從句都用一般過(guò)去時(shí)。如：

Where did you study before you came here?

After he closed the door, he left the classroom.

(3)表示意向的動(dòng)詞，如hope, wish, expect, think, intend, mean, suppose等，用過(guò)去完成時(shí)表示"原本…，未能…"

We had hoped that you would come, but you didn't. 3.根據(jù)上、下文來(lái)判定。

I met Wang Tao in the street yesterday. We hadn't seen each other since he went to Beijing.

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