Unit 5 Section A (Grammar Focus～4c) 课件 2023-2024学年初中英语人教版新目标八年级下册

Section A (Grammar Focus~4c) 单击此处编辑母版文本样式 1.能记住并掌握现在分词的构成及用法。 2.能总结when和while引导的时间状语从句的用法并能正确使用。 3.能用过去进行时谈论过去发生的事情。 学习目标 单击此处编辑母版文本样式 2:00 p.m. on Sunday afternoon She was making delicious food at 2:00 p.m. on Sunday afternoon. 单击此处编辑母版文本样式 at 6:00 p.m yesterday The boy was playing basketball. The girl was running . The boy was playing basketball while the girl was running. 单击此处编辑母版文本样式 Talk about past events: was/were doing... When to use? 单击此处编辑母版文本样式 过去进行时 构成: was/were + doing 时间词: 1. 常与表示过去某一时刻的时间状语连用,如: at eight last night, at the time of 2. 常与when 和while 引导的时间状语从句连用,表示当一个动作发生时,另外一个动作正在进行。 3. 过去进行时还可以表示两个过去的动作同时进行,这时可用while来连接两个分句。 单击此处编辑母版文本样式 1. when: 既指时间点,也可指一段时间 ; while: 只表示一段时间 when引导的时间状语从句中的动词可以是瞬间性动词,也可是延续性动词 while从句中的动词必须是延续性动词 2. 从句谓语动词是过去式时,用when引导; 从句谓语动词是was / were doing,主句谓语动词是过去式时,when 和while都可以引导 3. 主句和从句动作同时发生,两句都用was / were doing, 用while引导从句 4. 主句主语+ was / were doing+ when引导的从句(从句主语+did) 主句主语+ did)+ when / while 引导的从句(从句主语+ was / were doing) 主句主语+ was / were doing + while 引导的从句(从句主语+ was / were doing) 单击此处编辑母版文本样式 肯 否 一般疑问句 特殊疑问句 昨晚八点的时候,我正走路回家。 I was walking home at eight last night. I wasn't walking home at eight last night. Were you walking home at eight last night? 昨晚八点的时候,你在做什么? What were you doing at eight last night? was/were +doing was/were +not+ doing Was/Were+主语+ doing…? 特殊疑问词+was/were+主语+ doing…? 过去进行时的句型结构 单击此处编辑母版文本样式 1. I was doing my homework at eight last night. 2. -Why didn't you pick up the phone? -Sorry, I was taking a shower at that time. 3. They were waiting for the bus at the time of the rainstorm. 4. When the rainstorm came, my mom was making dinner. 5. When you were sleeping, I called Tom. 6. While you were sleeping, Tina was listening to music. 2.过去进行时的时间标志 A. _ B._ C. _ D._ 过去的一个具体时刻 过去的一个具体时间段 at that time(在那时)/ at the time of(在…的时候) 由when 和 while 引导的时间状语从句 观察总结 单击此处编辑母版文本样式 1When the rainstorm came, my mom was making dinner. 2. When my mom was making dinner , the rainstorm came. 3. While you were sleeping, Tina w