中考网整理了关于2021年中考英语知识点：过去进行时的基本结构，希望对同学们有所帮助，仅供参考。

　　过去进行时由was/were加现在分词构成。

　　例如：

　　What were you doing this time yesterday?昨天这个时候你在做什么？

　　During the summer of 1999 she was travelling inEurope.1999年夏天她在欧洲旅行。

　　He said he was leaving for home in a day or two.他说他一两天之内就动身回家了。

　　She was always thinking of others.她老是想到别人。(赞扬)

　　She was for ever complaining.她老是抱怨。(厌烦)

　　I was reading the newspaper when the door bell rang.我正在看报，突然门铃响了。

　　Jim burn this hand when he was cooking the dinner.吉姆做饭时把手烫了。

　　I met Diana while I was shopping this morning.我今早买东西时碰到了戴安娜。

　　I was doing my homework while he was listening to music.我在做作业而他在听音乐。

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