摘要:过去进行时 ①表示过去某一时刻或某一段时间内正在进行的动作(这一过去时间须用时间状语表示), He was preparing his lecture all day yesterday. ②表示动作在另一过去动作发生时进行, They were still working when I left. ③用在两个过去进行时动作同时发生, I was writing while he was watching TV. ④过去计划.安排好的将来动作(只限于come, go, leave, arrive, start, move, sail, fly, travel, stay等), He said she was arriving the next day. ⑤与always, forever, constantly, continually连用.表示赞赏或厌恶等感情色彩. (参看现在进行时的用法④) Comrade Lei Feng was always thinking of others never thinking of himself. ⑥过去进行时可用来描绘故事发行的背景. The wind was blowing and it was raining hard.

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