来源:网络资源 2023-03-29 16:23:32
1,表示过去某段时间正在进行的动作。 When he arrived at 9:30 am, two people were waiting outside the office.
当他早上9:30到办公室时,有两个人在外面等着他。
It was a dark night. The wind was blowing hard and the rain was falling heavily.
那是一个漆黑的夜晚。狂风怒号,暴雨如注。
2,过去一个动作发生时,另一个动作正在进行中.While we were having maths the head master broke into the classroom.
我们在上数学课时,校长闯了进来。
Mary was making a dress when she cut her finger. 玛丽割破手指时正在做衣服。
3,过去时间里两件事同时发生. While Mr. Atkins was reading the newspaper, his wife Mrs. Atkins was preparing the dinner.
阿特金斯先生在看报纸的时候,他的妻子阿特金斯太太正在准备晚餐
两件事同时发生,一般用while表示“当…时候”(不要用when)
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