过去进行时是英语语法中的一个重要时态,表示在过去某一时刻正在进行的动作。例如,“I was studying when she called me.”、“They were playing soccer when it started raining.”和“She was cooking dinner while he was watching TV.”这些例子都展示了过去进行时的用法。掌握这个时态可以帮助我们更好地理解英语语句中的时间关系。
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I was studying when she called me.(她给我打电话时,我正在学习。) 这个例子中,过去进行时“was studying”表示当“she called me”这个动作发生时,“I”正在进行“studying”的动作。
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They were playing soccer when it started raining.(下雨时,他们正在踢足球。) 这个例子中,过去进行时“were playing”表示当“it started raining”这个动作发生时,“they”正在进行“playing soccer”的动作。
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She was cooking dinner while he was watching TV.(他在看电视,她在做晚饭。) 这个例子中,两个过去进行时“was cooking”和“was watching”表示在同一时间,两个人分别正在进行不同的动作。