Unit12Lifeisfulloftheunexpected.SectionA(Grammarfocus-4c)情景式教學(xué)語(yǔ)法課公開(kāi)課人教新目標(biāo)版九年級(jí)(上冊(cè))Learningobjectives1.學(xué)習(xí)本課新詞匯：cream，workday，showup,bean,market,bytheendof掌握句型：BythetimeIarrivedattheparty,everyoneelsehadalreadyshownup.Whenshearrivedatthemovietheater,sherememberedshehadforgottentofeedherdog.2.通過(guò)閱讀翻譯Grammarfocus

中的句子，正確完成句子，能夠說(shuō)出過(guò)去完成時(shí)的概念，用法，結(jié)構(gòu)以及標(biāo)志詞(參照物)。能夠說(shuō)出過(guò)去完成時(shí)動(dòng)作發(fā)生的時(shí)間是“過(guò)去的過(guò)去”。3.通過(guò)控制性練習(xí)(4a)和自由練習(xí)(4b，4c)，能夠正確使用過(guò)去完成時(shí)完成短文，能夠積極創(chuàng)設(shè)情境來(lái)用過(guò)去完成時(shí)完成句子，在使用中學(xué)習(xí)語(yǔ)法。Let'senjoyavideoandthenputtheiractivitiesintherightorder.

DaddyPiggotridof(擺脫掉)thebee.Thefamilyatefood.Peppafedtheducks.DaddyPigslept.MummyPigputthedishesaway.?????put…away把東西放好Let’sexploreandfill.DaddyPig________(eat)deliciousfoodbeforehe_____(sleep).BythetimePeppa____theducks,DaddyPig________(sleep).DaddyPig_________ridofthebeebeforeMommyPig_________thedishes.Pepper_______theducksbeforeDaddy_____(get)ridofthebee.Theactivityhappenedearlier.Whendoyouuse“haddone”?DaddyPigslept.DaddyPiggotridof(擺脫掉)thebee.MummyPigputthedishesaway.nowhadeatensleptfedhadslepthadgottenputawayhadfedgotthepastperfecttenseWehavelearnedaboutMary'sterriblemorning.Doyourememberwhathappenedtoher?When

shegottoschool,sherealized

thatshehadleftherbackpackathome.Bythetimeshegotup,herbrother

had

already

gottenintheshower.Bythetimeshegotoutside,thebushad

already

left.9Bythetimeshewalkedintoclass,theteacherhadstartedteachingalready.Whathappenedearlier?AdverbialClauseoftime時(shí)間狀語(yǔ)從句Haveyoueverbeenlateforschool?Thebellrang.8:00A.MShegottoschool.8:15A.MpresentBythetime_______________,thebell_________.8:22A.M.8:20A.MpresentTheteacherstartedteachingalready.Shegotintotheclassroom.she

got

toschoolhadrungWhenshe___________________,

theteacher__________________already.gotintotheclassroomhadstartedteachingReadthesentencesinGrammarFocusandtranslatethem.WhenIgottoschool,IrealizedthatIhadleftmybackpackathome.BythetimeIgottoschool,thebellhadrung.BeforeIgottothebusstop,thebushadalreadyleft.Iwasabout

togouptomyofficewhenIdecidedtogetacoffeefirst.AsIwaswaitinginlinewiththeotherofficeworkers,Iheardaloudsound.GrammarFocusFillintheblanksaccordingtogrammarfocus.1)當(dāng)我到達(dá)學(xué)校的時(shí)候，我才意識(shí)到我把書(shū)包忘在家里了。

______Igottoschool,IrealizedthatI__________mybackpackathome.2)到我返回學(xué)校的時(shí)候，鈴聲已經(jīng)響過(guò)了。

___________Igotbacktoschool,thebell_____________.3)我到達(dá)公共汽車(chē)站之前，汽車(chē)已經(jīng)離開(kāi)了。

BeforeI__________thebusstop,thebus___________________.4)我決定先買(mǎi)一杯咖啡，然后再去辦公室。

I_______________gouptomyofficewhenIdecidedtogetacoffeefirst.5)就在我和別的工作人員一起排隊(duì)等候的時(shí)候，聽(tīng)到了一個(gè)巨大的聲響。AsI________________withtheotherofficeworkers,I______________.GrammarFocusWhenhadleftBythetimehadrunggottohadalreadyleftwasabouttowaswaitinginlineReadthesentencesinGrammarFocusandfindoutthesentenceswiththestructure“had+done”(thepastperfecttense).WhenIgottoschool,IrealizedthatIhadleftmybackpackathome.BythetimeIgottoschool,thebellhadrung.BeforeIgottothebusstop,thebushadalreadyleft.Iwasabout

togouptomyofficewhenIdecidedtogetacoffeefirst.AsIwaswaitinginlinewiththeotherofficeworkers,Iheardaloudsound.過(guò)去完成時(shí)的結(jié)構(gòu)和用法過(guò)去完成時(shí)表示過(guò)去某一時(shí)間或動(dòng)作以前已經(jīng)發(fā)生或完成了的動(dòng)作。它表示動(dòng)作發(fā)生的時(shí)間是“過(guò)去的過(guò)去”。

過(guò)去完成時(shí)的構(gòu)成：_____+_________過(guò)去完成時(shí)常與had過(guò)去分詞________________________等引導(dǎo)的時(shí)間狀語(yǔ)連用。when,before,bythetimeDoyouknowtheusagesofthetense-thepastperfecttense?nowThebellrang.8:00AM8:15AMBythetime_______________,thebell_________.

hadrungMarygottoschool.參照點(diǎn)過(guò)去完成時(shí)以一個(gè)過(guò)去的時(shí)間點(diǎn)為參照，表示該動(dòng)作發(fā)生在“過(guò)去的過(guò)去”。Marygottoschool.Doyouknowtheusagesofthetense-thepastperfecttense?nowTheteacherstartedteachingintheclassroom.8:20AM8:22AMWhen______________________,______________________________________.

theteacherhadstartedteachingintheclassroomShegotintotheclassroom.過(guò)去完成時(shí)以一個(gè)過(guò)去的時(shí)間點(diǎn)為參照，表示該動(dòng)作發(fā)生在“過(guò)去的過(guò)去”。參照點(diǎn)Doyouknowtheusagesofthetense-thepastperfecttense?nowThebusleft.5:20PM5:21AMBefore____________________,_____________________.

thebushadalreadyleft

Shearrivedatthebusstop.過(guò)去完成時(shí)以一個(gè)過(guò)去的時(shí)間點(diǎn)為參照，表示該動(dòng)作發(fā)生在“過(guò)去的過(guò)去”。參照點(diǎn)Makesentenceswith

Bythetime…orWhen…

6:30

6:40

nowthepolicemangettotheshopTomrunawayBythetime\Whenthepolicemangottotheshop,Tomhadrunaway.Makesentenceswith

Bythetime…orWhen…Makesentenceswith

Bythetime…orWhen…LiuMeiwakeup

theconcert

beover

6:30

6:40

nowBythetime\WhenLiuMeiwokeup,theconcerthadbeenover.Doyouknowtheusagesofthetense-thepastperfecttense?◆WhenIgottoschool,IrealizedthatIhadleftmybackpackathome.◆BythetimeIgotbacktoschool,thebellhadrung.◆BeforeIgottothebusstop,thebushadalreadyleft.由when,bythetime,before等引導(dǎo)時(shí)間狀語(yǔ)從句時(shí)，若描述發(fā)生在過(guò)去的事，主句常用過(guò)去完成時(shí)(had+過(guò)去分詞)表示動(dòng)作發(fā)生在過(guò)去的過(guò)去。

參照物---時(shí)間狀語(yǔ)從句Doyouknowtheusagesofthetense-thepastperfecttense?by的用法by+時(shí)間點(diǎn)“到……為止；截止……時(shí)”1.by+現(xiàn)在時(shí)間，句子時(shí)態(tài)用現(xiàn)在完成時(shí)Bynow,Ihavefinishedallmyhomework.截止現(xiàn)在，我已經(jīng)完成了所有的作業(yè)。2.by+過(guò)去時(shí)間，句子時(shí)態(tài)用過(guò)去完成時(shí)Bynineo’clocklastnight,wehadgot200picturesfromthespaceship.到昨晚9點(diǎn)鐘，我們已經(jīng)收到200張飛船發(fā)來(lái)的圖片。3.by+將來(lái)時(shí)間，句子時(shí)態(tài)用將來(lái)完成時(shí)BynextFriday,WewillhavefinishedUnit5.到下周五結(jié)束時(shí)，我們將要學(xué)完第五單元。Doyouknowtheusagesofthetense-thepastperfecttense?bythetime的用法bythetime

意為“到……時(shí)候(為止)”,是一個(gè)介詞短語(yǔ),在句中常起到連詞的作用,引導(dǎo)時(shí)間狀語(yǔ)從句。1.如果從句中的謂語(yǔ)動(dòng)詞是一般過(guò)去時(shí),那么主句的謂語(yǔ)動(dòng)詞通常用過(guò)去完成時(shí),表示“截止到從句動(dòng)作發(fā)生時(shí),主句動(dòng)作已經(jīng)完成,即過(guò)去的過(guò)去”。例：Bythetimeyoucameback,Ihadfinishedthisbook.你回來(lái)時(shí)我已經(jīng)把這本書(shū)看完了。（從句謂語(yǔ)動(dòng)詞cameback為一般過(guò)去時(shí),所以主句動(dòng)作用過(guò)去完成時(shí)hadfinished,表示過(guò)去的過(guò)去。）2.如果從句中的謂語(yǔ)動(dòng)詞為一般現(xiàn)在時(shí)或現(xiàn)在完成時(shí),那么主句中的謂語(yǔ)動(dòng)詞常用將來(lái)完成時(shí),表示“截止到將來(lái)的某一時(shí)刻為止,主句動(dòng)作將已完成”。例：BythetimeIgethome,theywillhaveleft.我到家時(shí)他們將已經(jīng)離開(kāi)。BythetimeIgraduatenextyear,Iwillhavelivedhereforfiveyears.到明年畢業(yè)時(shí),我將已經(jīng)在這待了五年了。Doyouknowtheusagesofthetense-thepastperfecttense?bytheendof+時(shí)間點(diǎn)意為“到……結(jié)束時(shí)”bytheendof+過(guò)去的時(shí)間點(diǎn)，主句用過(guò)去完成時(shí)；例：Bytheendoflastyear,IhadstayedinXi’anforsevenyears.

到去年結(jié)束時(shí)，我已經(jīng)在西安待了7年了。Bytheendof

lastweek,theyhadcompletedthebridge.bytheendof…的用法bytheendof+將來(lái)的時(shí)間點(diǎn)，主句用將來(lái)完成時(shí)；Bytheendofnextmonth,Iwillhavefinishedmynewbook.到下個(gè)月結(jié)束時(shí)我將要完成我的新書(shū)。過(guò)去完成時(shí)還可表示過(guò)去某一時(shí)刻之前發(fā)生的動(dòng)作或狀態(tài)持續(xù)到過(guò)去某個(gè)時(shí)間或持續(xù)下去，常與for,since等詞連用。例:WhenJackarrived,Maryhadbeenawayforalmostanhour.當(dāng)杰克到時(shí)，瑪麗已經(jīng)離開(kāi)快一個(gè)小時(shí)了。MygrandmotherhadbeendeadsinceNovemberlastyear.Doyouknowthedifferencesamongthefollowingtenses?一般過(guò)去時(shí)、現(xiàn)在完成時(shí)與過(guò)去完成時(shí)之間區(qū)別1.一般過(guò)去時(shí)表示在過(guò)去某時(shí)發(fā)生的動(dòng)作或存在的狀態(tài)。5yearsago

now例：WestartedtolearnEnglish5yearsago.

我們五年前開(kāi)始學(xué)英語(yǔ)。2.現(xiàn)在完成時(shí)表示的動(dòng)作發(fā)生在過(guò)去，但側(cè)重對(duì)現(xiàn)在產(chǎn)生的結(jié)果或造成的影響，與現(xiàn)在有關(guān)。其結(jié)構(gòu)為：“助動(dòng)詞have（has）+過(guò)去分詞”。例：WehavelearnedEnglishfor5years.

5yearsagohavelearnednowDoyouknowthedifferencesamongthefollowingtenses?一般過(guò)去時(shí)、現(xiàn)在完成時(shí)與過(guò)去完成時(shí)之間區(qū)別e.g.Wehavelearned1,000Englishwordssofar.Wehadlearned1,000Englishwordsbythen.3.

過(guò)去完成時(shí)表示在過(guò)去某個(gè)時(shí)間或動(dòng)作之前已經(jīng)發(fā)生或完成了的動(dòng)作或存在的狀態(tài)，即“過(guò)去的過(guò)去（past-in-the-past）”。例：Wehadlearned

Englishfor4yearsbylastyear.

到去年為止，我們已經(jīng)學(xué)英語(yǔ)四年了。

bylastyearnowbegantolearnfor4yearsDoyouknowtheusageof“beaboutto”?WhenIgottoschool,IrealizedthatIhadleftmybackpackathome.BythetimeIgottoschool,thebellhadrung.BeforeIgottothebusstop,thebushadalreadyleft.Iwasabout

togouptomyofficewhenIdecidedtogetacoffeefirst.AsIwaswaitinginlinewiththeotherofficeworkers,Iheardaloudsound.beabouttodosth.的用法1)表示即將發(fā)生的動(dòng)作，在時(shí)間上指最近的將來(lái)。如:Weareabouttostart.我們就要出發(fā)了。Thenewschoolyearisabouttobegin.新學(xué)年開(kāi)學(xué)在即。2)在含有beabouttodo的句子中，不能再加時(shí)間狀語(yǔ)。如:Wrong:ThemedicalteamisabouttostartimmediatelyRight:Themedicalteamisabouttostart.醫(yī)療隊(duì)就要出發(fā)了。Let'senjoyavideoaboutJake’sdatingstorywithAnn.Whilewatching,writedownthepastperfecttensestructureasmanyaspossible.JakeAnnDo

youwanttoknowhowJake’sdatewithAnnwasgoinglastnight?Datingisfulloftheunexpected.Let'swritedownthepastperfecttensestructureasmanyaspossible.Whenhegottotherestaurant,herealizedhehadputhisshirtoninsideout.(穿反了）So,hewenttothebathroomtofixit.Let'swritedownthepastperfecttensestructureasmanyaspossible.Whenhecameback,awaiterhadgivenhistabletosomeoneelse.Wheneverythingwassettled(解決好),hisgirlfrienddidn’tshowup(出現(xiàn)).Let'swritedownthepastperfecttensestructureasmanyaspossible.BythetimeAnncalledhim,hehadsatatthetableforabout15minutes.ItturnedoutthatAnnwenttothewrongrestaurant.Let'swritedownthepastperfecttensestructureasmanyaspossible.Afterhavingdinner,hefoundsomethinginhisteeth.Actually,theyhadbeentherethewholetimeashewastalkingtoAnn.Completethefollowingtasks.Makesentencesusingbythetimeorbefore.BeforeIputcreaminthecoffee,thecoffeehadbecomecold.BythetimeIgottoschool,theteacherhadcollectedthemathhomework.Ihadcompletedtheworkformybossbeforetheworkdayended.ThemoviehadstartedbeforeIarrivedatthecinema.BythetimeIgothomefrommylanguagecourse,mymotherhadfinishedmakingtheapplepie.4aCompletethefollowingtasks.Fillintheblankswiththecorrectformsofthewordsinthebox.露面shownuphadhadforgottenn.豆n.市場(chǎng)hadrushedouthadfoundoutarrivedathadgoneinto4bCompletethefollowingtasks.Writetwotruestatementsandonefalsestatementaboutyourdayyesterday.Thenaskyourclassmatestoguessthefalsestatement.Ihadalreadyhadbreakfast.Ihadfinishedmyhomework.hadhadtoomuchfruit.動(dòng)身去4cLet'sha