我哥哥骑自行车的时候从车上摔下来,受伤了。 It was raining when they left the station. 他们离开车站的时候天正在下雨。 When I got to the top of the mountain, the sun was shining. 当我到达山顶的时候,阳光灿烂。 2. 过去进行时可以表示在过去某个时间点发生的事情。 时间点可以用介词短语、副词或从句来表示。例如: What was she doing at nine o'clock yesterday? 昨天晚上九点她在做什么?(介词短语表示时间点) She was doing her homework then. 那个时候她正在写作业。(副词表示时间点) When I saw him he was decorating his room. 当我看见他的时候他正在装饰房间。(when从句表示时间点) 3. 在复合句中,如果主要动作和背景动作都是延续的或同时发生的,那么主从句的动词都可用过去进行时。 When he was waiting for the bus, he was reading a newspaper. 他边等车边看报。(两个动作都是延续的) He was cleaning his car while I was cooking. 他擦车时我在做饭。(两个动作同时进行) (责任编辑:admin) |