过去进行时.ppt

文档介绍：When I … He was doing … When I called him up, he was sleeping. Make up the sentences. While I … He was doing … While I was walk ing to school, he was eating. When I … He was doing … When I read the newspaper, he was watching TV. 1. 基本概念过去进行时表示在过去某一时刻或一段时间内正在进行的动作。这一特定的过去时间除有上下文暗示以外, 一般用时间状语来表示。 2. 结构 was / were + 动词- ing 例如: A: What were you doing at eight last night? 昨晚八点你在干什么? B: I was taking a shower. 我(当时)在淋浴。 A: What was he doing when the rainstorm came? 暴风雨来的时候他在干什么? B: He was reading in the library when the rainstorm came. 暴风雨来的时候他在图书馆看书。 A: What was Jenny doing while Linda was sleeping? 琳达在睡觉的时候, 珍妮在做什么? B: While Linda was sleeping , Jenny was helping