初中第十单元教案 6页

Unit10BythetimeIgotoutside,thebushadalreadyleft.Period1Newfunctionpresenting一.Learningobjectives教学目标1．重点词汇rush,lock,empty,describe,farmer,marry2．认读词汇gotten,oversleep,ring,fool,costume,embarassed,announce,Mars,convince,authority,relative,broke,exhausted,reveal,AprilFool’sDay,panic,girlfriend,embarrassing,hoax,fled,spaghetti,thrill,ending,OrsonWells3.词组gooff,runoff,ontime,givesb.aride,breakdown,showup,setoff,getmarried,apieceof4.句子BythetimeIgotup,mybrotherhadalreadygottenintheshower.BythetimeIgottothecinema,themoviehadalreadybegun.WhenIgottoschool,IrealizedIhadleftmybackpackathome.5.语法二.Teachingimportantpoints教学重点LearntousePastPerfecttense.三、教学难点PastPerfecttense:BythetimeIgotoutside,thebushadalreadyleft.\n三、教学步骤StepIRevisionandLead-in（1a:P76）AsktwoormoreSstoshowtheirwork.T:ThereisaChinesesaying:一日之际在于晨。Thesesayingstellusabouttheimportanceofmorning.Andifyougetuplateoroversleep,youmayhaveabadday.Don’tyouagree?Ss:Iagree.T:Whattimedoyouusuallygetupinthemorning?S1:tsix.T:That’sveryearly.Whendidyougetupthismorning?S1:Igotupathalfpastsix.T:Oh!Whathappened?S1:Mybothergotintheshower.T:OK.Bythetimeyougotup,yourbrotherhadalreadygottenintheshower,right?Writethissentenceontheblackboard.T:Whatelsehappened?S1:Mymothercookedinthekitchen.T:OK.Bythetimeyougotup,yourmotherhadalreadycookedinthekitchen.Writethissentenceontheblackboard.T:Whatdidyoufindwhenyougotupthismorning,S2?S2:Myfatherhadlefthome.T:Sobythetimeyougotup,yourfatherhadalreadylefthome.Writethesentenceontheblackboard.Bythetimeyougotup,yourfatherhadalreadylefthome.T:Lookatthethreesentencesontheblackboard.Theycontainthestructurewearegoingtolearntoday—PastPerfecttensestructure.Nowwillyougivesomesentencesbyusingthisstructure?S:BythetimeIgottothecinema,thefilmhadalreadybegun.BythetimeIgottothebusstation,thebushadalreadyleft.\nWhenIfinallyarrivedthere,shehadalreadygone....T:Good.Youreallydidagreatjob.Next,you’lllistentoTinatellingherstoryinthemorning.Butbeforethat,let’slookatthepicturesonpage76.Whatcanyouseeinthepictures?S1:Icanseeagirlgettingup.Ithinkshegetsuplaterthanusualbecauseshelooksworried.T:Verygood.Whatelsecanyousee?S2:Someoneistakingashowerinthebathroom,soshehastowait.T:Whatelse?S3:Bythetimeshegottothebusstop,thebushadalreadyleft.T:Verygood.Iamverygladthatyouusedthestructurewejustlearnt.Thankyouforyourwonderfulwork.StepIIListening(1b:P76)Listentothetapeandfinish1b.T:Nowlet’slistentothetapeandseewhathappenedtoTina.PlaythetapeandgivetheSs2minutestofinishthetask.Thenchecktheanswers.StepIIIPairwork(1c:P76)T:WeheardTinatellingusherstorythismorning.PretendyouareTinainthepicture.Lookatthepicturesaboveandtellyourpartnerswhathappenedtoyouthismorning.T:Nowworkinpairs.Tellyourpartnerwhathappenedtoyouthismorning.Movearoundtheclassroomandchecktheirwork.Offerlanguagehelpifneeded.Afterafewminutes.T:Nowwho’dliketoshareyourstorieswithus?Sampledialogue1:S1:Whathappenedthismorning?S2:Ioverslept.AndbythetimeIgotup,mybrotherhadalreadyfinishedhis\nbreakfast.Sampledialogue2:S3:Whathappenedtoyouthismorning?S4:Well,Igotuplate.BythetimeIfinishedmybreakfast,mymotherhadlefthome.StepIVListening(2a,2b,2c:P77)T:From1band1cweknowthatTinaoversleptandshecouldnottakeashowerontime.Bythetimeshegotup,herbrotherhadalreadygottenintheshower.Whatdoyouthinkwillhappenafterthat?S1:Ithinkshewillhavebreakfastlate.T:Ithinksotoo.Whataboutyou?S2:Ithinkshewillmissthebus.T:That’sreallyterrible....T:Welldone.Nowlet’slistentoanothermaterialaboutTinaandseewhathappenedlater.Beforewedothis,let’slookatthepicturesonpage77first.Whatcanyouseeinthepictures?S1:IcanseeTinaislookingforherkeys.S2:Icanseesheisrushingtoschool.Ithinkshewillbelate.S3.Bythetimeshegottoschool,classhadalreadybegun.T:NowlistenandfindoutwhathappenedtoTina.Playtherecording.Checktheanswers.T:You’lllistentotheconversationagain.Thistimefillintheblanksin2bwiththecorrectverbforms.Playtherecordingagain.AftertheSsfilltheblanks,checktheanswers.StepVGrammarFocus(P77)T:LookattheGrammarFocusboxonpage77.Nowwho’dliketoreadthesentencestotheclass?\nAskastudenttoreadthesentencesinthebox.T:Welldone.Nowweknowthatwhenwetalkaboutthingsthathappenedbeforepastevents,weoftenusePastPerfecttense.Well,doyouknowthedifferencesbetweenPresentPerfecttenseandPastPerfecttense?ShowthefollowingtotheSs.(1)ShehastaughtEnglishfor6years.(2)“WhereisSusan”“ShehasgonetoAmerica”.表示过去某时发生的动作，这动作可能刚刚停止,也可能还在进行。(1)ShesaidshehadtaughtEnglishfor6years.(2)BythetimeIgottoLondon,shehadgonetoAmerica.表示过去某时之前发生的动作。Pointoutthedifferencesbetweenthesentencesabove.T:Fromtheaboveexamples,wecanseethedifferencesbetweenPresentPerfecttenseandPastPerfecttens.Sowecanreachthefollowingconclusion:ShowthefollowingtotheSs.现在完成时:主语+have/hasdone过去完成时:主语+haddone3．I'veneverbeenlateforschool,butyesterdayIcameveryclose.我上学从未迟到过，但是昨天差一点儿就迟到了。（1）I've是Ihave的缩写，havebeenlate是现在完成时态，现在完成时是指一个动作或状态开始于过去，持续到现在，并可能继续下去，而且对现在产生了一定的影响，其构成是have/has＋动词过去分词。例如：Ihavebeenheresince1999．自1999年以来我就在这儿。WehavelivedinJinanfor20years．\n我们已经在济南住了20年了。Shehasn'tworkedfor2years．她已2年不工作了。T:Nowreadthefollowingexamplesaloud.AndobservehowPastPerfecttenseisusedinthem.AndthentranslatethemintoChinese.ShowthefollowingtotheSsandaskthemtoreadaloud.1.Bythetimeshegottoschool,sherealizedshehadleftherbackpackathome.2.BythetimeIwokeup,myfatherhadalreadybeenintothebathroom.T:Who’dliketotranslatethemintoChinese?Volunteer?S:1.她到学校以后才意识到把背包落在家里了。2.我早上醒来的时候爸爸就已经在浴室洗澡了。T:Goodtranslations.Nowlookatthefollowingsentencesonthescreen.CanyouputthemintoEnglish?Showthefollowingsentencesonthescreen.1.到那时，他已经交了一些朋友。2.到那时她已完成了那项任务。Sampleanswers:1.Bythattime,hehadalreadymadesomefriends.2.Bythattime,shehadalreadyfinishedthejob.StepVIHomeworkT:Listentothelisteningmaterialrepeatedlyandgetfamiliarwiththeexpressionsusedtonarratepastevents.