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《Grammar》PPT课件优质课下载
3 I __________ (do) my homework while they were watching TV
4.As she ______ （read）the newspaper, tears ran down her face
had left
was cooking
was doing
read
When :
A: 含义
1：when do you get up every day?
2：I will call you when I get home.
3：We were about to leave when it began to rain.
adv. 什么时候;
conj. 当…时
conj. “这时；突然”
B: 用法
所引导的从句，其谓语动词既可是延续性动词，也可是瞬间性动词；谓语动词动作发生的时间可以与主句谓语动词的动作是同时，或之前、之后。
1： I will call you when I get home. 同时发生，瞬间动词
2:when you read the sentence again, the meaning will be clearer to you.
从句动作在主句动作之前发生，延续性动词
3：The film had begun when I got the cinema.
从句动作在主句动作之后，瞬间动词
实
战
翻
译