过去进行时 总结复习课件 人教版英语八年级下册.ppt

过去进行时 讲解 What were you doing when you heard the news?当你听到这则新闻时，你正在做什么？ I was sleeping.We were playing games.I was watching TV.I was doing my homework.What were you doing when you heard the news?1234 I was sleeping.We were playing games.I was watching TV.I was doing my homework.What were you doing when you heard the news?观察句型结构！！ 过去进行时定义:过去 某一时刻或某一段时间内 正在进行或发生的动作结构:was/were + doing 句式变换:My sister was answering a phone.否定:一般疑问:特殊疑问:My sister wasn’t answering a phone.Was my sister answering a phone?What was my sister doing? 过去进行时定义:过去 某一时刻或某一段时间内 正在进行或发生的动作结构:was/were + doing基本句式:肯定: 主+was/were + Ving +其它否定: 主+wasn’t/weren’t + Ving +其它一疑: Was/were+主语+ Ving +其它?特疑: 特殊疑问词+一般疑问句 时间状语:at that timeat this time yesterdayat 8:00 yesterday morningfrom… to… yesterday at 7pm last Friday…when while 引导的时间状语从句My father was taking down the small wooden house at that time.Mr. Green was repairing the window at 10:00 a.m. last Sunday.Jim was doing his homework when the teacher came in.过去的时刻+过去的时间 过去进行时Summary含义结构at that time ; 过去的时刻+过去的时间；when while 引导的时间状语从句主语 + was / were + v.-ing表达过去某一时刻或某一段时间内发生的动作肯定：主语+was/were +doing+其他否定：主语+was/were not +doing+其他一般疑问：Was/Were +主语+doing +其他？关键词句型结构特殊疑问： 特殊疑问词+一般疑问句 ( ) 1.Gina ___________ through the dictionary at 9:00 yesterday. A. looked B. looks C. was looking D. have looked( ) 2. They _____ their clothes from 7 to 9 last night. A. were folding B. folded C. have folded D. are folding( ) 3. --I called you this morning but you didn’t pick up. --Oh, I _______ shower . A. took B. am taking C. was taking D. have taken Drills:低级：含有时间状语中级：根据语意推测高级：根据从句确定 When VS WhileI was watching TV when my dad came in.When we were talking, the teacher came in.I was playing games while my mom was cookingwhen ? While? ②强调主从句动作同时进行时,常用瞬间动作用一般过去时 延续动作用过去进行时①When+瞬间/延续性动词 While+延续性动词 while When VS While常见瞬间动词：come ； arrive ； appear； s