精选优质文档-倾情为你奉上过去进行时1.概念过去进行时主要表示过去某个时刻或某一阶段正在进行的动作。2.时间标志词: then, at this/ that time, yesterday, yesterday morning, at nine, last night3.基本结构肯定句：主语+was / were + doingThe children were playing games at this time yesterday.否定句：主语+ was /were + not + doingI wasnt watching TV at eight yesterday.一般疑问句：Was/ Were +主语+doing?-Yes, 主语+ was/ were.一般疑问句：Was/ Were +主语+doing?-Yes, 主语+ was/ were.-No, 主语+ wasnt/ werent.-Was he doing hi
