精选优质文档-倾情为你奉上过去进行时：过去某一时刻正在进行的动作，或状态。时态标志：at this time yesterday, at that timeat+时间点+yesterday ( at+时间点+过去时态标志）例如（at 8:00 yesterday)From+时间点+to 时间点+过去时态标志。 例如from 10 to 12 yesterday或when+过去时，主句过去进行时等。动词结构：was/were doing1. Lei Feng _ always _ of others when he _ in the army.A. is, thinking, was B. was, thinking, is C. did, think, is D. was, thinking, was2. While mother _ some washing, I _ a kite for Kate.A. did, made
