过去进行时肯定句基本结构=主语 was/were doing 其它
过去进行时否定句基本结构=主语 was/were not doing 其它
过去进行时一般疑问句基本结构=Was/Were 主语 doing 其它
答语：Yes,主语 was/were. 或No,主语 wasn't/weren’t.
过去进行时特殊疑问句基本结构=特殊疑问词 一般疑问句 其它

以下是各种句型的例句：
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.
昨天这个时候杰克没看电视。
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。