辽宁省灯塔市第二初级中学八年级英语下册 Unit 5 What were you doing when the rainstorm came Period 2导学案（无答案）（新版）人教新目标版（通用）

unit5 What were you doing when the rainstorm came【学习目标】 课标要求：练习掌握本单元的基础知识：1.谈论过去的事件。2.以when和while引导的状语从句。目标达成：重点词汇用法及短语动词用法。短语动词用法1、学习并掌握重点词汇：barber bathroom bedroom kitchen get out 2、学习重点句型：What were you doing when the rainstorm came I was standing in front of the library .学习流程： 【课前展示】【创境激趣】1、导入Leading in What are you doing ? _What were you doing when I cane in ? _2、呈现Presentation ? So what were you doing when the UFO arrived ?【自学导航】 过去进行时：定义：表示在过去某一时刻或某一段时间内正在进行或发生的动作。构成：was / were + v . - ing 说明：第一人称单数和第三人称单数用was，其余用were。句型结构：肯定句：“主语+was / were + v ing +其他”eg : He was sleeping at that time .否定句：“主语+was / were / not +动词-ing +其他”eg : He wasnt sleeping at that time .疑问句：“was / were +主语+动词-ing +？”回答：Yes 主语+was /were . No . 主语+was / were not .eg : Was the sleeping at that time ? Yes , he was . No , he wasnt .PS: 过去进行时还用在由When , while 引导的从句中，具体区别。用when引导的状语从句表示时间，说明一个劝作发生时，另一个动作正在进行，也可表示正在进行某一动作时，另一动作发生了。用while引导的从句一般用进行时，表示正在进行某个动作时，发生了另一个动作，这时主句用一般过去时。 While he was heading the telephone rang .2、询问过去某个时间你在干什么怎么问？回答你会吗？试试吧！【合作探究】 1 过去进行时：过去进行时：含义： 表示过去某个时刻正在进行的动作。结构： be (was/were) + doing例句：What were you doing at nine last night?I was taking a shower at nine last night.现在进行时含义： 表示现在正在进行的动作。结构： be (is/am/are) + doing例句：I am having an English class. We are listening to Mr. Fu. 2in front of in the front of(1) My sister is sitting _ the classroom to see the sun.(2) My sister is sitting _ the classroom to read English with her classmates.3when 与while的区别when “当.时候”后面跟的动作不延续, 常跟一般过去时When the UFO took off, the boy was taking photoswhile “当.时候， 后面跟的动作延续, 常跟过去进行时While the boy was taking photos, the UFO took off, 1.When the alien got out, the girl was shopping=While the girl was shopping, the alien got out. 2.When the UFO landed, the boy was walking down the street. =While the boy was walking down the street, the UFO landed 【展示提升】 典例分析 知识迁移1.He was sleeping late _ someone knocked on the door. A. when B. whileC.asD.after2._ the police arrived,the alien left the ground. A.WhenB.BeforeC.AfterD.While3._ I was walking to school, I saw a cat climbing a tree. A.WhenB.WhileC.Before D.After4 _ I was walking on the street, I met my old friend.5 She was singing _ she was walking.6 I was walking on the street _ I met my old friend.7 They were reading English _ I stayed at home.8 They were talking _ I arrived.【强化训练】 3when 与while的区别when “当.时候”后面跟的动作不延续, 常跟一般过去时When the UFO took off, the boy was taking photoswhile “当.时候， 后面跟的动作延续, 常跟过去进行时While the boy was taking photos, the UFO took off, 1.When the alien got out, the girl was shopping=While the girl was shopping, the alien got out. 2.When the UFO landed, the boy was walking down the street. =While the