过去进行时：借助双语例句这样理解（学语法事半功倍效果更好）

In the past continuous tense, the action was ongoing till a certain time in the past. This tense is used to talk about an action at a particular time in the past.

在过去进行时中，某动作在过去的某个时间节点之前是持续进行的。过去进行时通常用来表达过去某段时间内所发生的动作。（点赞分享皆是爱！感谢关注，我会持续推出各类英语知识总结！）

例子：

Example: They were watching a football game from 7 to 9 last night. 昨晚7点到9点他们在看一场足球赛。

Example: I was giving a report when you rang me. 你给我打电话的时候我正在做报告。

Example: He was helping his father on the farm the whole afternoon last Saturday. 上周六的整个下午他都在帮他爸爸干农活。

Example: I met a good friend of mine while I was walking on the street. 我在街上闲逛的时候碰到了一个我十分要好的朋友。

Example: Was she parking her car when I saw her? 我看见她的时候她是在停车吗？

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