初中英语过去进行时(when-while用法)

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Summary 3

Past Co nti nuous Tense 过去进行时总结

I. Defin itio n 时态含义

表示过去某一时刻或过去一段时间内正在进行的动作。

II. Time words 时间标志词

1. then, at that time, this time yesterday, at 6 o ' clock yesterday ...

2. when/ while/ (just) as 引导的时间状语从句

III. Structure 动词结构

was/ were + doing

♦ Whe n/ while/ (just) as 引导的时间状语从句在过去进行时态中的用法区别

1. when既可以和短暂性动词连用,也可以和连续性动词连用,

句中一般翻译为“当...... 时候” / “就在那时”。

a. Some one kno cked at the door whenI was hav ing breakfast.

b. I was tak ing a bath whenthe teleph one rang.

2. while只可以和连续性动词连用

句中一般翻译成“当...... 时候”(=wheri) / “然而”(强调前后两个动作同时进行)

a. He cut himself while he was shaving.

b. My wife was cooking the dinner while I was working in the garden.

3. (just) as 更强调“随着”,所引导的从句动作一般与主句动作伴随着发生。

a. Just as I was ope ning the front door, the teleph one rang.

b. The children were singing as they went home.

IV. Exercises 练习

( )1. We were reading the newspaper suddenly the light went out.

A. when

B. while

C. before

)2. While she TV in the sitti ng room, the bell

A. watches; rings C. was watchi ng;

rang

B. is watchi ng;

rang

D. watched; was ringing

)3. She herself while she off the bus.

A. hurt; was gett

ing C. hurt; is gett ing

B. Hurts; was gett

ing D. hurts; is gett

ing

D. after

)4. When he

bath.

A. arriving; was having C. arrived; am having

B. arrived; was having D. arrives; was having

( )5. When I saw her on the way here, she a magazine.

A. reads

B. is reading

C. was reading

D. will read

6. 昨天晚上8点你正在做什么

7. 我到家的时候,妈妈正在厨房做饭。

8. 我在写作业的时候我爸爸正在看报纸

9. 我正要离开前往上海,邮递员来了。

10. 我们正在河里游泳突然天就下雨了

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