英语人教版八年级下册unit5 2a-3b.ppt

Unit5,Whatwereyoudoingwhentherainstormcame?,SectionB2a-3b,学习目标,目标一：区别when,while,目标三：会使用过去进行时结构进行叙述和写作,目标二：通过文字标题和插图等获取文章的主旨大意，训练快速阅读的技巧。了解美国民权运动领袖马丁.路德.金和震惊世界的911恐怖袭击事件。,WhenI,Hewasdoing,WhenIcalledhimup,hewassleeping.,Makeupthesentences.造句,Step1:when和while,WhenI,Hewasdoing,WhenIreadthenewspaper,hewaswatchingTV.,WhileI,Hewasdoing,WhileIwaswalkingtoschool,hewaseating.,（1）IwaswalkingtoschoolwhenIsawacatinatree.（2）WhenSallyarrivedhome,hermotherwascleaningthehouse.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。,过去进行,when,when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并补全空格。,归纳过去进行时中的when和while,（3）WhileIwassleepinginthebedroom,someoneknockedatthedoor.（4）Davidfellwhilehewasridinghisbike.主句的动作是短暂性的，从句的动作是持续性的，此时用_引导从句，主句用_时态，从句用过去进行时态。,一般过去,while,（5）WhileAndywaswaitingforthebus,hewasreadinganewspaper.（6）HewascleaninghiscarwhileIwascooking.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，而且主句和从句都用_时态。,while,过去进行时,Step2过去进行时与一般过去时的区别,一、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。,1)Shirley_abookaboutChinalastyearbutIdontknowwhethershehadfinisheditA.haswrittenB.wroteC.hadwrittenD.waswriting,D,2)He_(write)aletter,thenwenttobed.,wrote,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。,温馨提示：概念:表示过去某个时刻或过去一段时间正在进行的动作。结构:主语+was/were+doingsth.+时间状语（如at5:00yesterdayafternoon,atthattime,then等连用,或者用另一动作来表示过去的时间。,不确定是否完成,二、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。,He_allnightlastnight.（生动的描写，他一直写）He_somethinglastnight（说明他写了的事实）,waswriting,wrote,三、注：下列几类动词通常不用过去进行时。1、表示状态的动词be；2、感官动词：feel,hear,see,smell,taste等;3、表示思维或心理状态的动词：believe(认为),forget,consider,know,remember,hope,wish,want等；4、表示所属关系的动词：belong,have,own,hold(容纳)等。,2aLookatthepicturesandthetitleinthepassage.Whatdoyouthinkthepassageisabout?,DoYouRememberWhatYouWereDoing?,Step3Reading,ReadthetitleandfirstSentences.,Thetitlecanbehelpfulforyoutounderstandatext.Itisalsoagoodideatoreadthefirstsentenceofeachparagraphbeforeyoureadthewholetext.,2bReadthepassageandanswerthequestionsin2minutes.,1.Whatarethetwoeventsinthepassage?,2.Whendidtheyhappen?,Dr.MartinLutherKingwaskilled.TheWorldTradeCenterinNewYorkwastakendownbyterrorists.,Dr.MartinLutherKingwaskilledonApril4,1968.TheWorldTradeCenterinNewYorkwastakendownbyterroristsonSeptember11,2001.,Task1Fastreading,_1.EveryoneinAmericarememberswhokilledDr.King._2.RobertAllenwaseatinglunchwhenDr.Kingwaskilled._3.Robertsparentswereshockedtohearthenews._4.KateSmithwaswatchingamoviewhenaplanehittheWorldTradeCenter._5.Katedidntthinkherfriendwastellingthetruthabouttheevent.,F,NG,T,F,T,2c.Readitagain.Arethefollowingstatementstrue(T)orfalse(F)ornotgiven(NG)?,Task2carefulreading,_,_,_,Task32d.Underlinesentencesfromthepassagewithsimilarmeaningstotheonesbelow.,1.Noteveryonewillrememberwhokilledhim,buttheycanrememberwhattheyweredoingwhentheyheardthathegotkilled.,Althoughsomepeoplemaynotrememberwhokilledhim,theyrememberwhattheyweredoingwhentheyheardthenews.,Wefinishedtherestofourdinnerinsilence.,2.Noonesaidanythingfortherestofdinner.,Eventhedate-September11,2001-hasmeaningtomostAmericans.,4.IhadtroublethinkingclearlyafterthatbecauseIwasveryafraid.,IwassoscaredthatIcouldhardlythinkclearlyafterthat.,3.September11,2001-thedatealonemeanssomethingtomostpeopleintheUS.,2eHowmuchdoyourememberabouttheeventsinthepassage?Testyourpartner.,A:WhendidDr.MartinLutherKingdie?B:Hedidedon,A:Howdidhedie?B:.,A:WherewastheWorldTradeCenter?B:.,A:WhatwasKateSmithdoingwhentheWorldTradeCenterwastakendown?B:.?,A:WhathappenedtotheWorldTradeCenter?B:,Task4Speaking,Whatwastheevent?Whendidithappen?Wheredidithappen?Whatwereyoudoing?Whatwereyourfriendsdoing?Whywasitimportant?Whydoyourememberthisevent?,3aPre-writingbymakingnotesaboutaneventyourememberwell.,Step4Writing,3bWriteashortarticleabouttheimportanteventin3a.Trytowritethreeparagraphs.,First,writeabouttheevent(whenandwhereithappened).,AnimportanteventthatIrememberwellwas_.Ithappenedin/on_at/in_.,WenchuanEarthquake,May12,2008,Wenchuan,Sichuan,Then,writeaboutwhythiseventwasimportant.,Thiseventisveryimportanttomebecause_./Irememberthiseventwellbecause_.,Next,writeaboutwhatyouandsomeofyourfriendsweredoingwhenthiseventhappened.,WhenIheardthenewsofthisevent/Whenthiseventhappened,Iwas_.Myfriendswere_.,.,.,.,.,AnimportanteventthatIrememberwellwasWenchuanEarthquake.IthappenedonMay12,2008inWenchuan,Sichuan.WhenIheardthenewsofthisevent,Iwasworking.MyfriendswerewatchinggamesonTV.Thiseventisveryimportanttomebecausemanypeoplediedintheearthquake.Theyneedsomehelp.Lotsofpeoplecametohelpthem.,范文,_,_,_,_,_,_,Step5While-writingbyafreetalkandmakingnotes,Lookatthepicturesandtalkaboutwhatitwasandwhatyouweredoingwhenithappened.Writeanarticleaboutitasthemodel.,Tianjinbigbang,2015年8月12日,1、Somenewwordsandphrases,在历史上;默默地;首先;讲实话;如此.以致；做.感到吃惊;做某事有麻烦;,inhistory,insilence,atfir