过去进行时是英语中的一种时态，用于描述过去某个时间正在进行的动作或状态。
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我们昨天晚上正在看电影。 We were watching a movie last night.
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她昨天下午正在写报告。 She was writing a report yesterday afternoon.
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我们昨天上午正在开会。 We were having a meeting yesterday morning.
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他们昨天晚上正在练习乐器。 They were practicing musical instruments last night.
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她昨天早上正在跑步。 She was running yesterday morning.
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我们昨天中午正在吃午餐。 We were having lunch yesterday noon.
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他昨天晚上正在洗碗。 He was washing dishes last night.
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她昨天下午正在看电视。 She was watching TV yesterday afternoon.
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我们昨天晚上正在聊天。 We were chatting last night.
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他们昨天早上正在打电话。 They were making a phone call yesterday morning.
