八年级英语下册Unit5WhatwereyoudoingwhentherainstormcameSectionAGrammarfocus-4c教案新版人教新目标版.docVIP

Unit 5 What were you doing when the rainstorm came课题Unit 5 What were you doing when the rainstorm came?Section A 3 (Grammar focus-4c)课型新授课教学目标1掌握重点单词和短语：storm ，wind，light，report，area，wood，window，match,beat,Against,asleep,rise, fallen,icy,kid,feel like doing,make sure, at first,fall asleep,die down, have a look 2.掌握重点句式：1)with no light outside,it feil like midnight .2)he finally fell asleep when the wind was dying down at around 3:00 a.m.3.通过听、说、读、写等任务型活动，熟练应用词汇和句型。 重点过去进行时 过去进行时中的when和while难点过去进行时 过去进行时中的when和while教学用具录音机，多媒体。教学环节说 明二次备课复习Review新课导入 Lead in 课 程 讲 授tep 1 Revision Look at the pictures and make up the sentences.Step 2 Grammar Focus 昨晚八点你在做什么？What _ at eight last night?暴风雨来的时候他在做什么？What was he doing _ the rainstorm came?开始下大雨的时候本在做什么？What was Ben doing _ it began to rain heavily?琳达在睡觉的时候，珍妮在做什么？What was Jenny doing _ Linda was sleeping?Step 3 过去进行时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 ( not ) + 动词-ing3. 句式 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.注：1) was not常缩略为wasnt; were not常缩略为werent。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。)Practice: Look at the picture and make up the dialogues.Step 4 过去进行时中的when和whilewhen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？主句的动作是持续性的，而从句动作是短暂性的，此时用_引导时间状语从句，主句用_时态，从句用一般过去时态。1 While I was sleeping in the bedroom, someone knocked at the door.主句的动作是短暂性的，从句的动作是持续性的，此时_引导从句，主句用_时态，从句用过去进行时态。2 While Andy was waiting for the bus, he was reading a newspaper.主句和从句的动作在过去的某时刻或某段时间同时发生，而且动作都是持续性的，此时用_引导从句，而且主句和从句都_时态。Step 6 Exercises.用when或while填空。1. _ they were talking in the classroom,the teacher came in.2._ they got to the zoo,it was raining.3. _ she was watching TV,the phone rang.根据汉语意思完成下列句子。1.当校铃响的时候我们正在操场上玩得非常高兴。We _ _ _ in the playground when the school be