八年级英语下册教案：Unit5 What were you doing when the rainstorm came Section B 3 (3a-Self check)

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SectionB3(3a—Selfcheck)Step1FreetalkLookatthepictureandtalkaboutwhattheyweredoingwhentheplanehittheWorldTradeCenter.Step2Presentation3aMakenotesaboutaneventyourememberwell.Whatwastheevent?Whendidithappen?Wheredidithappen?Whatwereyoudoing?Whatwereyourfriendsdoing?Whywasitimportant?Whydoyourememberthisevent?Step3Writing3bWriteashortarticleabouttheimportanteventin3a.Trytowritethreeparagraphs.First,writeabouttheevent(whenandwhereithappened).Next,writeaboutwhatyouandsomeofyourfriendsweredoingwhenthiseventhappened.Then,writeaboutwhythiseventwasimportant.AnimportanteventthatIrememberwellwas___.Ithappenedin/on___________at/in______________.WhenIheardthenewsofthisevent/Whenthiseventhappened,Iwas____________.Myfriendswere_________________.Thiseventisveryimportanttomebecause_____________./Irememberthiseventwellbecause_________________.OnepossibleversionAnimportanteventthatIrememberwellwasWenchuanEarthquake.IthappenedonMay12,2008inWenchuan,Sichuan.WhenIheardthenewsofthisevent,Iwasworking.MyfriendswerewatchinggamesonTV.Thiseventisveryimportanttomebecausemanypeoplediedintheearthquake.Theyneedsomehelp.Lotsofpeoplecametohelpthem.Step4单元复习过去进行时1.概念:表示过去某个时刻或过去一段时间正在进行的动作。2.句子结构:主语+was/were+doingsth.+时间状语3.时间状语词:at5:00yesterdayafternoon,atthattime,then等连用,或者用另一动作来表示过去的时间。如：Theywereplayingbasketballwhenshearrived.Whiletheywereplayingbasketball,shearrived.过去进行时与一般过去时的区别D过去进行时着重描述当时正在持续进行的动作，它的特点是：暂时，持续和未完成，强调过程；一般过去时表示发生过的动作或存在的状态，即表示动作发生过，而且已经结束了，强调结果。D1)Shirley______abookaboutChinalastyearbutIdon'tknowwhethershehadfinishedit．A.haswritten

B.wroteCC.hadwritten

D.waswritingC2)Mary____

adresswhenshecutherfinger.A.made

B.ismakingC.wasmaking

D.makeswasmaking表示正在做衣服的过程，如用made则表示这一动作已结束，做衣服的动作已结束与cutherfinger就没有联系。wrote3)He_______(write)aletter,thenwenttobed.wrotewrote表示动作已结束，做另一件事，如用waswriting就与wenttobed在逻辑上相矛盾。waswriting过去进行时侧重表示动作延长的时间长度;一般过去时表示过去某时发生过某事，侧重说明事实。waswritingwroteHe___________allnightlastnight.wroteHe________somethinglastnight．when,while区别：1.由when引导的时间状语从句，主句用过去进行时，从句应用一般过去时；由while引导的时间状语从句，主句用一般过去时，从句应用过去进行时。Whentheteachercamein,weweretalking.当此句改变主从句的位置时，则为：Whileweweretalking,theteachercamein.2.如果从句和主句的动作同时发生，两句都用过去进行时的时候，多用while引导。如：Theyweresingingwhileweweredancing.活学活用1.I_________myhomeworkwhenMike______lastnight.昨天晚上迈克来的时候我正在写作业。2.WhileAnn____________TV,herfather_______home.安正在看电视时，她父亲回来了。3.WhatwereyoudoingwhenI________atthedoor?

我敲门(knock)的时候你在干什么？4.She______________theroomwhenI______toseeher.我去看她的时候她不是在打扫房间。重要短语1.感觉像feellike2.首先atfirst3.入睡fallasleep4.逐渐变弱diedown5.确信makesure6.醒来wakeup7.凌乱inamess8.清洁cleanup9.互相帮助helpeachother10.在困难时期intimesofdifficulty重点句子1.Whatwereyoudoingateightlastnight?Iwastakingashower.2.Hewasreadinginthelibrarywhentherainstormcame.3.WhileLindawassleeping,JennywashelpingMarywithherhomework.Step5Self-check1.Fillintheblanksw