题目内容

12.我看见他时,他正在打电话.
Hewas making a telephone call when I saw him.

分析 was making a telephone call.

解答 答案:was making a telephone call.这里是when引导的时间状语,从句是一般过去时,主句是表示他正在打电话,故用过去进行时was/were+doing,主语是三单he,故用was,打电话make a telephone call,make去e加ing,故答案是was making a telephone call.

点评 我们知道,When引导的时间状语从句,表示当一个动作发生时,另一个动作同时发生.
所以依据when时间状语从句的定义,应该主,从句中要有一个为进行时,或两个都为进行时(类似有:while,as,)如下例所示.
When I saw her,she was typing a letter.
When/(while) I was doing my homework,my mother was doing housework.

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