英语人教版八年级下册Unit5 Section3.pptVIP

Unit 5;;Section A 3;When I …;While I …;While I was doing…; ; ;暴风雨来的时候他在做什么？ What was he doing ______ the rainstorm came? 暴风雨来的时候他在图书馆看书。 He was reading in the library ______________________.;开始下大雨的时候本在做什么？ What was Ben doing _____ it began to rain heavily? 开始下雨的时候本在帮他妈妈做晚饭。 When it began to rain, Ben ___________ his mom make dinner.;琳达在睡觉的时候，珍妮在做什么？ What was Jenny doing _____ Linda was sleeping? 琳达在睡觉的时候，珍妮在帮助玛丽做作业。 _______________________, Jenny was helping Mary with her homework.;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 Mary with her homework. 琳达在睡觉的时候, 珍妮在帮助玛丽做作业。;肯定式： I/He/She/It was working. We/You/They/ were working. 否定式: I/He/She/It was not working. We/You/They/ were not working. ;疑问式和简略回答: Was I working? Yes, you were. No, you were not. Were you working? Yes, I was. No, I was not.;Was he/she/it working? Yes, he/she/it was. No, he/she/it was not. Were we/you/they working? Yes, you/we/they were. No, you/we/they were not.;注： 1) was not常缩略为wasn’t; were not 常缩略为weren’t。 2) 一般过去时与过去进行时用法的比较: 一般过去时表示在过去某个时间发生过的动作或存在的状态, 而过去进行时则表示在过去某一时刻或某一段时间正在进行的动作。;例如: David wrote a letter to his friend last night. 大卫昨晚给他的朋友写了封信。(信写完了。) David was writing a letter to his friend last night. 大卫昨晚一直在给他的朋友写信。(信不一定写完。);at five o’clock yesterday afternoon;A: What was the boy doing at table at five yesterday afternoon? B: He was speaking with a girl. A: Was the girl at the table writing? B: No, she wasn’t. ;when和while都可表示“当……的时候”，引导时间状语从句。你知道两者在过去进行时中的用法有什么不同吗？ 请仔细观察下面的例句，然后补全空格中的内容。;① I was walking to school when I saw a cat in a tree. ②When Sally