【学习目标】1.复习过去进行时和when和while的用法。2.对本单元做一小结。3.通过习题来巩固这个单元所学。LookatthepictureandtalkaboutwhattheyweredoingwhentheplanehittheWorldTradeCenter.Whatwas/weresb.doingwhentheplanehitWorldTradeCenter?SandyTwinbrothersSammyfathermotherdog3aMakenotesaboutaneventyourememberwell.Whatwastheevent?Whendidithappen?Wheredidithappen?Whatwereyoudoing?Whatwereyourfriendsdoing?Whywasitimportant?Whydoyourememberthisevent?Doyouhaveanyunforgettable(Doyouhaveanyunforgettable(难忘的难忘的))eventsineventsinyouryourlife?life?Yourparentsboughtyouanewcomputer/...Youpassedanexam.Yougotaletterfromyourbestfriend/...Yourphotowasputinthenewspaper/on...Youhadababysister/brother.Yourfather/mothergotbadlyill.Yourparentsargued.…died.…Afterreading:3bWriteashortarticleabouttheimportanteventin3a.Trytowritethreeparagraphs.First,writeabouttheevent(whenandwhereithappened).AnimportanteventthatIrememberwellwas_____________________.Ithappenedin/on_____________at/in__________________.WenchuanEarthquakeMay12,2008Wenchuan,SichuanNext,writeaboutwhatyouandsomeofyourfriendsweredoingwhenthiseventhappened.WhenIheardthenewsofthisevent/Whenthiseventhappened,Iwas______.Myfriendswere____________.Then,writeaboutwhythiseventwasimportant.Thiseventisveryimportanttomebecause____________./Irememberthiseventwellbecause___________________.AnimportanteventthatIrememberwellwasWenchuanEarthquake.IthappenedonMay12,2008inWenchuan,Sichuan.WhenIheardthenewsofthisevent,Iwasworking.MyfriendswerewatchinggamesonTV.Thiseventisveryimportanttomebecausemanypeoplediedintheearthquake.Theyneedsomehelp.Lotsofpeoplecametohelpthem.单元目标单元目标when,whilewhen,while过去进行时过去进行时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.过去进行时着重描述当时正在持续进行的动作,它的特点...