四．过去进行时：were / was + 现在分词。

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.

3．过去某时将发生的事。可参考—2（4）

►. They told me that they were leaving for New York.

►. He was going out when I arrived.

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 liuxuepaper.com