精选优质文档-倾情为你奉上 过去进行时的讲与练过去进行时表示过去某一时刻或者某段时间正在进行或发生的动作,常和表过去的时间状语连用,如: I was doing my homework at this time yesterday.昨天的这个时候我正在做作业。 They were waiting for you yesterday.他们昨天一直在等你。 过去进行时的构成:肯定形式:主语+was/were+V-ing否定形式:主语+was not (wasnt)/were not (werent)+V-ing疑问形式:Was/Were+主语+V-ing。基本用法:1.过去进行时表示过去某一段时间或某一时刻正在进行的动作。常与之连用的时间状语有,at that time/moment, (at) this time yesterday (last night/Sunday/week), at+点钟+yesterday (last night