人教版八年级英语下册《nit3WhatwereyoudoingwhentheUFOarrivedSectionB》教案18

1、人教新目标八年级下Unit3WhatwereyoudoingwhentheUFOarrived?SectionB(3aSelfcheck)Step1FreetalkLookatthepictureandtalkaboutwhattheyweredoingwhentheplanehittheWorldTradeCenter.Step2Presentation3aMakenotesaboutaneventyourememberwell.Whatwastheevent?Whendidithappen?Wheredidithappen?Whatwereyoudoing？Whatwereyourfrie

2、ndsdoing?Whywasitimportant?Whydoyourememberthisevent?Step3Writing3bWriteashortarticleabouttheimportanteventin3a.Trytowritethreeparagraphs.First,writeabouttheevent(whenandwhereithappened).Next,writeaboutwhatyouandsomeofyourfriendsweredoingwhenthiseventhappened.Then,writeaboutwhythiseventwasimportant.

3、AnimportanteventthatIrememberwellwas_.Ithappenedin/on_at/in_.WhenIheardthenewsofthisevent/Whenthiseventhappened,Iwas_.Myfriendswere_.Thiseventisveryimportanttomebecause_./Irememberthiseventwellbecause_OnepossibleversionAnimportanteventthatIrememberwellwasWenchuanEarthquake.happenedonMay12,2008inWenc

4、huan,Sichuan.WhenIheardthenewsofisveryimportanttomebecausemanypeoplediedintheearthquake.TheyItneedsomehelp.Lotsofpeoplecametohelpthem.Step4单元复习过去进行时观点:表示过去某个时刻或过去一段时间正在进行的动作。2.句子构造:主语+was/were+doingsth.+时间状语3.时间状语词:at5:00yesterdayafternoon,atthattime,then等连用,或许用另一动作来表示过去的时间。如：Theywereplayingbasketba

5、llwhenshearrived.Whiletheywereplayingbasketball,shearrived.过去进行时与一般过去时的差别：过去进行时侧重描绘当时正在连续进行的动作，它的特色是：临时，连续和未达成，重申过程；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，并且已经结束了，重申结果。1)Shirley_abookaboutChinalastyearbutIdontknowwhethershehadfinisheditA.haswrittenB.wroteC.hadwrittenD.waswriting2)Mary_adresswhenshecutherfinge

6、r.A.madeB.ismakingC.wasmakingD.makes3)He_(write)aletter,thenwenttobed.wrote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。过去进行时重视表示动作延伸的时间长度;一般过去时表示过去某时发生过某事，重视说明事实。He_allnightlastnight.（生动的描绘，他向来写）He_somethinglastnight注：以下几类动词往常不用过去进行时。表示状态的动词be；感官动词：feel,hear,see,smell,taste等;表示思想或心理状态的动词：believe(以为

7、),forget,consider,know,remember,hope,wish,want等；表示所属关系的动词：belong,have,own,hold(容纳)when,while差别：由when指引的时间状语从句，主句用过去进行时，从句应用一般过去时；由while指引的时间状语从句，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地点时，则为：Whileweweretalking,theteachercamein.2.假如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指引。如：Theywer

8、esingingwhileweweredancing.活学活用I_myhomeworkwhenMike_lastnight.昨天夜晚迈克来的时候我正在写作业。WhileAnn_TV,herfather_home.安正在看电视时，她父亲回来了。WhatwereyoudoingwhenI_atthedoor?我叩门(knock)的时候你在干什么？She_theroomwhenI_toseeher.我去看她的时候她不是在打扫房间。Step5Self-check1.Fillintheblankswithwhenorwhile._Iwaswalkinghomefromschool,Isawastrang

9、elightinthesky.But_Ipointeditouttomyfriend,itwentaway._Itoldmyolderbrotheraboutthestrangelightinthesky,hejustlaughedanddidntbelieveme._mybrotherwaslaughing,thetelevisionnewsreportedthatotherpeoplehadseenthelightaswell.Fillintheblankswiththecorrectformsofthewordsinbrackets.WhenI_(be)inthesixthgrade,I

10、_(join)apianocompetition.I_(practice)forfourhourseverydayandmypianoteacher_(come)threetimesaweekto_(help)me.Thenthebigdayfinally_(arrive).I_(be)sonervouswhenthey_(call)myname.I_(go)upand_(start)toplay.WhileI_(play),everyone_(sit)stillandlistened.Iplayedthesongwithoutanymistakes.ThenI_(wait)forthemtocalloutthewinner.WhenI_(hear)mynam