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过去进行时基本概念

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过去进行时(Past continuous tense或Past Progressive tense)表示在过去某一时刻或某一段时间内发生或进行的动作或状态.过去进行时(Past continuous tense或Past Progressive tense)表示过去某时某刻正在进行的动作(不强调是否完成).(过去进行时具体用在什么地方,看下面的内容)具体概念一、 概念和用法:过去进行时  表示在过去某一时刻或某一段时间内进行或发生的动作.其形式为was /were + V-ing.常与表示过去的时间状语连用,如:last night,last Saturday等;或者与when,while,as引导的过去时间状语连用.  如:We were watching TV from seven to nine last night. 昨天晚上七点到九点的时候我们在看电视.        What was he researching all day last Sunday? 上周日他一整天都在研究什么?二、 过去进行时可以表示在过去某个时间点发生的事情.时间点可以用介词短语、副词或从句来表示.  如:What was she doing at nine o‘clock yesterday? 昨天晚上九点她在做什么? (介词短语表示时间点)         When I saw him he was decorating his room. 当我看见他的时候他正在装饰房间.(when从句表示时间点)三、 在复合句中,如果主要动作和背景动作都是延续的或同时发生的,那么主从句的动词都可用过去进行时.  如:While he was waiting for the bus,he was reading a newspaper.他边等车边看报.(两个动作都是延续的)         He was cleaning his car while I was cooking. 他擦车时我在做饭.(两个动作同时进行)四、 通常不能用于过去进行时的动词主要有:agree,is,am,are,believe,belong,care,forget,hate,have(有),hear,know,like,love,mean,mind,notice,own,remember,seem,suppose,understand,want,wish等.    如:误:I was knowing the answer.          正:I knew the answer. 我知道答案.          误:I wasn‘t understanding him.          正:I didn‘t understand him. 我不明白他的意思.结构组成编辑1. 过去进行时由“主语+was/were + 动词ing”构成   如: We were having supper when the phone rang. 我们正在吃晚饭时电话响了.2. 过去进行时的否定式由“主语+was/were not +现在分词”构成   如: This time yesterday Jack was not watching TV. He was repairing his bike. 昨天这个时候,杰克不是在看电视,而是在修理自行车.3. 过去进行时的疑问式由“was/were +主语+ 现在分词”组成   如: Were you playing basketball at four yesterday afternoon? 昨天下午四点你们在打篮球吗?句型肯定句:主语+was/were+doing+其它否定句:主语+was/were+not+doing+其它一般疑问句:问语=Was/Were+主语+doing+其它答语:Yes,I was/were.或No,I wasn't/weren’t.特殊疑问句:特殊疑问词+一般疑问句+其它例句1、We were having supper when the phone rang. 我们正在吃晚饭时,电话响了。2、This time yesterday Jack was not watching TV. 昨天这个时候杰克不在看电视.3、He was repairing his bike.他在修理自行车.4、When/While we were having supper, the light went out. 我们正在吃饭时,灯熄灭了.5、While we were talking, the teacher came in. 当我们正在谈话时,老师进来了.6、While he was waiting for the bus, he was reading a newspaper.他边等车边看报.7、He was cleaning his car while I was cooking. 他擦车时,我正在做饭.8、Tom was getting up at six o’clock every day that week. 汤姆那一周里每天都是六点钟起床.

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