英语语法：过去进行时-表示过去某一时刻正在进行的动作

英语语法：过去进行时-表示过去某一时刻正在进行的动作 1. 动词形式 have do 动词 形式 was  having were  having was  working were  working 2.过去进行时的用法 (2)表示过去某一时刻正在进行的动作。比如： He was doing shopping this time yesterday. 昨天这个时候他正在购物。 I was leaving for work when he came to see me. 他来看我时，我正要离开去上班。 We were having a discussion at that time. 那时我们正在讨论。 What were you doing at nine last night？ 昨晚九点时，你在做什么？ I was doing my homework at this time yesterday. 昨天的这个时候我正在做作业。 I was cooking when she knocked at the door. 她敲门时我正在做饭。 What were you doing at 7 p.m.yesterday? 昨天晚上七点你在干什么? 一、选择填空。 1. She ___ to her university when a police car drove up beside her and made her stop. A. had driven   B. was driving C. has driven   D. drove  2. The schoolmaster ___badly behaved classes before he knew what to do with those problem students. A. has experienced   B. was experiencing C. would experience  D. had experienced 参考答案: 1-2: BD 二、分析句子的语法结构，并译成中文。 1. he schoolmaster had experienced badly behaved classes before he knew what to do with those prob