八年级英语下册教案：Unit5 What were you doing when the rainstorm came Section A 3 (Grammar focus-4c)

Unit5备课说明一、单元内容：Whatwereyoudoingwhentherainstormcame?二、教学目标：【知识目标】能运用过去时态描写过去发生的事情【能力目标】能听懂有关过去发生事件，能简单描写过去发后的事件【情感目标】能过学习本课，培养学生在困境中互帮互助的品质三、教学重点：单词短语:rainstorm,suddenly,alarm,gooff,pickup,strange,report,area,wood,light,window,match,beat,heavily,against,asleep,fallasleep,diedown,rise,apart,passage,pupil,bright,playground,bell,completely,silence,insilence,recently,date,tower,atfirst,realize,truth句子:1.Whatwereyoudoingateightlastnight?Iwastakingashower.2.Whatwasshedoingatthetimeoftherainstorm?Shewasdoingherhomework.3.Whatwashedoingwhentherainstormcame?Hewasreadinginthelibrarywhentherainstormcame.4.WhatwasBendoingwhenitbegantorainheavily?Whenitbegantorain,Benwashelpinghismommakedinner.5.WhatwasJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework语法：过去进行时。

四、教学难点：when,while引导的时间状语从句中的过去时和过去进行时五、教具准备：PPT六、课时安排：SectionA1(1a-2d)....................................................................................1课时SectionA2(3a-3c).....................................................................................1课时SectionA3(GrammarFocus-4c)...............................................................1课时SectionB1(1a-1e)......................................................................................1课时SectionB2(2a-2e)....................................................................................1课时SectionB3(3a-selfcheck).........................................................................1课时共计6课时SectionA3(Grammarfocus-4c)Step1Revision1.过去进行时基本概念过去进行时表示在时间内动作。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+v-ing”Step2Pairwork1.Talkaboutwhatthepeopleinpictureweredoingatthetimeoftherainstorm.2.Makeupsentences.Step3GrammarFocus一．按要求完成练习,并总结出句子中包含的语法。1.Whatyou（do)ateightlastnight?2.She(do)herhomeworkatthetimeoftherainstorm.3.Hewasreadinginthelibrarywhentherainstorm(come).4.Whenitbegantorain,Benwashelpinghismommakedinner.(翻译句子)5.WhileLinda(sleep)，JennywashelpingMarywithherhomework.二．巩固句型:1.A:昨晚八点你在干什么？B:我(当时)在淋浴。2.A:暴风雨来的时候他在干什么B:暴风雨来的时候他在图书馆看书3.A：Linda在睡觉的时候,Jenny在做什么？B:Linda在睡觉的时候,Jenny在帮助玛丽做作业。Step4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？请仔细观察下面的例句，然后补全空格中的内容。①IwaswalkingtoschoolwhenIsawacatinatree.②WhenSallygothome,hermotherwascleaningthehouse.③WhileIwassleepinginthebedroom,someoneknockedatthedoor.④Davidfellwhilehewasridinghisbike.⑤WhileAndywaswaitingforthebus,hewasreadinganewspaper.⑥HewascleaninghiscarwhileIwascooking.总结：When+时态。动词为短暂性/持续性.While+时态。动词为短暂性/持续性.Step5Practice一．用when或while填空。1.IwaslookingforinformationontheInternet,thedoorbellrang.2.HewasmakingamodelplaneIsawhim.3.Iwasrunning,mymotherandmysisterwereflyingakite.二．活学活用4a.Lookatthetableandwritesentenceswithbothwhileandwhen.JohnMarytakephotosbuyadrinkplaythepianoleavethehousecleanhisroomturnontheradio1.WhileJohnwastakingphotos,Maryboughtadrink.JohnwastakingphotoswhenMaryboughtadrink.2.WhileJohnwasplayingthepiano,Maryleftthehouse.JohnwasplayingthepianowhenMaryleftthehouse.3.WhileJohnwascleaninghisroom,Maryturnedontheradio.JohnwascleaninghisroomwhenMaryturnedontheradio.三．考点连接1.Whatyouat8:00yesterday?(2014年春期末)A.did,doB.are,doingC.were,doing2.IwascleaningtheroomwhilemysisterTV.(2014年春期末)A.waswatchingB.watchedC.iswatching3.1.Whatyouatthistimeyesterday?（2014—2015全能竞赛）A.are,doB.are,doingC.were,doingStep6HomeworkFillintheblankswithwas,were,whenorwhile.At7:00a.m.,Iwokeup.______I____makingmybreakfast,mybrother______listeningtotheradio.________Iwaseating,theradionewstalkedaboutacaraccidentnearourhome.MybrotherandIwentoutrightawaytohavealook._____wegottotheplaceoftheaccident,thecar_____inbadshapefromhittingatree.Butluckilythedriver____fine.Theroads______icybecauseoftheheavysnowfromthenightbefore.Step7BlackboardDesignUnit5Whatwereyoudoingwhentherain