过去进行时：

1．构成：were / was + 现在分词

2．功能：

（1）表示过去某一时刻或阶段正在发生的动作。

►. I was playing chess at 8 yesterday evening.

►. When I arrived, they were watching TV.

►. They were doing housework this time last week.

（2）用于条件状语从句中表示过去将来进行的动作。

►. She told me to wake him up if she was sleeping.

►. I asked my friend to warn me about it as long as I was driving too fast.

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测试精编

1. My brother ________ while he ________ his bicycle and hurt himself.

A. fell / was riding                   B. feel / were riding

C. had fallen / rode                 D. had fallen / was riding

2. He ________ his leg as he ________ in a football match.

A. broke / played                    B. was breaking / was playing

C. broke / was playing             D. was breaking / played

3. -My father will be here tomorrow. -I thought that he ________ today.

A. was corning                     B. is coming

C. will come                          D. comes

4. Jack was going out of the shop when he collided with an old woman who ________ in.

A. come        B. was coming       C. had been coming        D. had come

5. Michike couldn't come to the telephone when Mr. Smith called her because she ________ in the lab.

A. had been working                 B. has been working

C. was working                        D. worked

（后设答案，大家不要偷看哦~(*^__^*) 嘻嘻……）

KEYS

1. A     2. C    3. A    4. B    5. C