精选优质文档-倾情为你奉上过去进行时A. 定义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;过去进行时可以用来描述一件事发生的背景:一个长动作发生的过程中(用过去进行时),另一个短动作发生(用一般过去时)B. 句式a) 肯定句:主语 + were/was + doingb) 否定句:主语 + were/was + not + doingc) 一般疑问句:Were/Was + 主语 + doing ?d) 特殊疑问句:特殊疑问词 + were/was (+主语)+ doing ?e.xIt was not raining then._My son was learning English in Australia at this time last year._Who was playing football on the playground at that time?_Were the