摘要:●过去进行时 ★构成 was +现在分词 第一人称单数和第三人称单数用 was + v-ing , 其余都用 were +v-ing. ★用法 a) 表示过去某一时刻正在进行着的动作: --What were you doing this time yesterday? 昨天这个时间你在干什么? --We were watching TV this time yesterday. 昨天这个时间我们在看电视. b) 表示过去某一阶段在进行的动作: Mary was talking with her friends the whole afternoon yesterday. 玛丽昨天整个下午 一直在与朋友们谈话. Last month they were building a bridge over a river in their home town. c) 表示在过去即将发生的动作. She asked him whether he was coming back for supper. He said he was leaving for Shanghai soon. d) 表示过去的反复性或习惯性的动作.常与副词 always ,constantly continually ,frequently 等连用.常常带有说话人的某种感情色彩: His mother was always working like that. The two brothers were frequently quarrelling. e) 可用来描写故事发生时的背景: It was dark and a strong wind was blowing. 天色很黑.刮着大风. ●过去进行时由was /were加现在分词构成.常与at nine, yesterday evening, (at) this time yesterday, at that time 等时间状语连用.其具体应用如下: ★表示过去某一时刻或一段时间正在进行的动作.例如: He was drawing on the blackboard when the teacher came in. 老师进来的时候他在黑板上画画. 注:下句的when 意思为:and at that moment.例如: We were having supper when the phone rang. 我们正在吃饭.这时电话响了. ★go.come .leave等用过去时表示过去将来时间. 例:He said he was going to the park on Sunday. 他说他星期天将去公园玩. ★while表示在某个动作持续的同时,说的是一个时间段.不能与when混淆. 例:While the girls were having supper, their father came home. 当女儿们正在吃晚饭时. 她们的父亲回来了. ●过去进行时和一般过去时的差别 一般过去时表示“在过去某个时间发生的动作或存在的状态 .而过去进行时则表示“在过去某个特定时间正在进行的动作 .例如: I was reading an English novel last night. 昨晚我在看一本英文小说. I read an English novel last night. 我昨晚看了一本英文小说. [习题检测] 单项选择1.It takes to go to school by bus than on foot. A. little time B. less time C. more time D. much time

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