2023年12月英語四六級必備核心語法4

2023年12月06日 2023年4時04分，《2011英語:2023年12月英語四六級必備核心語法4》由祝福網引起liuxue86.com編輯整理英語.

翻譯練習：

1)我記得他哥哥上小學時經常在課堂上提問。

I remember his brother was constantly asking questions in class when he was at primary school.

2)媽媽做飯的時候，爸爸抽煙。

While my mother was cooking， my father was smoking.

我在寫東西，小明關燈。

When I was writing， Xiao Ming turned off the light.

4)夕陽西下，天漸漸黑了。

The sun was setting. It was getting dark.當你走進他們的房間時，他們在聽廣播嗎？

Were they listening to the broadcast when you entered their room？

當她打電話給你時，你在做什么？

What were you doing when she called you on the phone？

過去完成時

(1)構成:全部使用had 過去的分詞構成。

（2）用法：

1)表示發生在過去某個時間或行動之前的事情，即過去的過去。當過去完成時，必須有一個過去的時間或行動作為參考，這表明在此之前已經發生了一些事情。如果這兩個動作都發生在過去，當過去完成時，通常是在過去。

She told me she had been there three times before. 她告訴我她以前去過那里三次。(去過發生在告訴之前)

How long had he taught here by the end of last term？ 到上學期末，他在這里教了多久？ (教學發生在上學期末前)

When we arrived， the football match had already begun. 當我們到達時，足球賽已經開始了。

She had visited China twice before she came this year. 她今年來中國兩次。

2)在過去完成時，動詞可以表示在過去某個時刻之前發生的動作或狀態，這可能會持續到過去。

By the middle of last month， I had lived in Beijing for five years. 上個月中旬，我在北京住了五年。

By six o’clock they had worked for eight hours. 到六點鐘，他們已經工作了八個小時。

When I came to Shanghai， he had been there for a long time. 當我到達上海時，他在那里呆了很長時間。

3)在過去，動詞通常用于間接引語和虛擬語氣，我們將在未來詳細討論。

4)此外，過去常用于完成 no sooner…than… 和 hardly（scarcely） …when… 這兩個句型，前部用過去完成，后部用過去。

No sooner had he stolen the purse than he was caught red-handed. = He had no sooner stolen the purse than he was caught red-handed. 他一偷到錢包就被當場抓獲。

Saddam had hardly realized what was happening when he was captured. = Hardly had Saddam realized what was happening when he was captured. 薩達姆沒有意識到發生了什么就被抓了。

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