Unit12SectionA(GrammarFocus-4c)課件人教版九年級(jí)英語(yǔ)全冊(cè)

Lifeisfulloftheunexpected.Grammarfocus-4cUnit12WhatdidMummyPigdobeforethepicnicWhatdidtheydoonthatdayShepreparedalotoffoodforthepicnic.Let’swatchavideo.Let’scheck.（點(diǎn)擊白色矩形顯示）bebecomebringbuyblowbeenbecomebroughtboughtblowndealeatforgetfallleavedealtateforgotfellleft0102030405comecutdo060607was/werebecamebroughtboughtblewdealteatenforgottenfallenleftcamecutdidcomecutdonemakegohavemadegonehadmadewenthadPresentationWarmingupPre-grammarLookandsay.HaveyoueverbeenlateforschoolThebellrang.8:00A.MShegottoschool.8:15A.MpresentBythetime_______________,thebell_________.she

got

toschoolhadrung8:22A.M.8:20A.MpresentTheteacherstartedteachingalready.Shegotintotheclassroom.Whenshe___________________,

theteacher__________________already.gotintotheclassroomhadstartedteachingGrammarfocusWhenIgottoschool,IrealizedthatIhadleftmybackpackathome.BythetimeIgotbacktoschool,thebellhadrung.BeforeIgottothebusstop,thebushadalreadyleft.IwasabouttogouptomyofficewhenIdecidedtogetacoffeefirst.AsIwaswaitinginlinewiththeotherofficeworkers,Iheardaloudsound.第一類：第二類：把下列句子分類Lead-in①BythetimeMarygottoschool,thebellhadrung.②Whenshegotintotheclassroom,theteacherhadstartedteachingintheclassroom.③Beforeshearrivedatthebusstop,thebushadalreadyleft.

④By6:45thisevening,

hermomhadcookedthedinner.由by,bythetime,when和

before引導(dǎo)的表示一般過(guò)去時(shí)的從句。由had+V-ed構(gòu)成的過(guò)去完成時(shí)。ThePastPerfectTense

過(guò)去完成時(shí)

概念：過(guò)去完成時(shí)表示某一動(dòng)作或狀態(tài)在過(guò)去某一時(shí)間或動(dòng)作之前已經(jīng)發(fā)生或完成，也可以指過(guò)去的動(dòng)作延續(xù)到過(guò)去的某一時(shí)刻，它表示發(fā)生的時(shí)間是“過(guò)去的過(guò)去”?，F(xiàn)在現(xiàn)在過(guò)去過(guò)去的將來(lái)過(guò)去的過(guò)去過(guò)去完成時(shí)GrammarfocusDiscusswithyourpartner!1、為什么主句和從句分別使用過(guò)去完成時(shí)態(tài)？2、在使用不同時(shí)態(tài)時(shí)從句和主句的先后順序？

主句為過(guò)去完成時(shí)，從句是一般過(guò)去時(shí)，主句動(dòng)作發(fā)生在從句之前。兩個(gè)動(dòng)作同時(shí)進(jìn)行，主從句都是一般過(guò)去時(shí)或過(guò)去進(jìn)行時(shí)。WhenIgottoschool,IrealizedthatIhadleftmybackpackathome.By

the

time

I

got

back

to

school,thebellhadrung.BeforeIgottothebusstop,thebushadalreadyleft.IwasabouttogouptomyofficewhenIdecidedtogetacoffeefirst.AsIwaswaitinginlinewiththeotherofficeworkers,Iheardaloudsound.Whenhecamein,thestudentsstoodup.Whenthebabysawhermother,shestoppedcryingHewasabouttowatchamoviewhenhisparentsknockedatthedoor.Theywereabouttogetonthebuswhentheyheardsomeoneshout.AsIwasstandinginfrontoftheteachers’office,Isawaboyfightwithanotherboy..Ashewasdoinghousework,abirdflewintothekitchen.Q1：在以上時(shí)間狀語(yǔ)從句中，主句和從句的動(dòng)作是先后發(fā)生，還是同時(shí)發(fā)生？Q2：主從句都使用過(guò)去時(shí)態(tài)的時(shí)間狀語(yǔ)從句的引導(dǎo)詞有什么？Answers:1.在以上的時(shí)間狀語(yǔ)從句中，主句和從句的動(dòng)作都是同時(shí)發(fā)生，或者在進(jìn)行一個(gè)動(dòng)作時(shí)，另一個(gè)動(dòng)作突然發(fā)生。2.主句和從句都用過(guò)去時(shí)態(tài)的時(shí)間狀語(yǔ)從句引導(dǎo)詞有when,as等●Whenhecamein,thestudentsstoodup.●Whenthebabysawhermother,shestoppedcrying.●Hewasabouttowatchamoviewhenhisparentsknockedatthedoor.●Theywereabouttogetonthebuswhentheyheardsomeoneshout.●AsIwasstandinginfrontoftheteachers’office,Isawaboyfightwith

anotherboy.●Ashewasdoinghousework,abirdflewintothekitchen.Groupwork在以上的時(shí)間狀語(yǔ)從句中，主句和從句的動(dòng)作是先后發(fā)生還是同時(shí)發(fā)生主從句都用過(guò)去時(shí)態(tài)的時(shí)間狀語(yǔ)從句的引導(dǎo)詞有什么Discussandanswerthequestions.●WhenIgotup,Ifoundthatmybrotherhadalreadytakenabathinthebathroom,●Whenshegottothecheck-out,sherealizedshehadleftherpurseathome.●BeforeIarrivedattheairport,theplanehadalreadytakenoff.●Theyhadalreadyhadbreakfastbeforetheygottothehotel.●Mostoftheguestshadleftbythetimehearrivedattheparty.●ThefilmhadalreadybegunbythetimeIgottothecinema.過(guò)去完成時(shí)的結(jié)構(gòu)？過(guò)去完成時(shí)的結(jié)構(gòu)：“助動(dòng)詞had+動(dòng)詞的過(guò)去分詞”1.在以上的時(shí)間狀語(yǔ)從句中，主句和從句的動(dòng)作是同時(shí)發(fā)生，或者是在進(jìn)行一個(gè)動(dòng)作時(shí)，另外一個(gè)動(dòng)作突然發(fā)生。2.主從句都用過(guò)去時(shí)態(tài)的時(shí)間狀語(yǔ)從句引導(dǎo)詞有when,as等?！馱henhecamein,thestudentsstoodup.●Whenthebabysawhermother,shestoppedcrying.●Hewasabouttowatchamoviewhenhisparentsknockedatthedoor.●Theywereabouttogetonthebuswhentheyheardsomeoneshout.●AsIwasstandinginfrontoftheteachers’office,Isawaboyfightwith

anotherboy.●Ashewasdoinghousework,abirdflewintothekitchen.●WhenIgotup,Ifoundthatmybrotherhadalreadytakenabathinthebathroom,●Whenshegottothecheck-out,sherealizedshehadleftherpurseathome.●BeforeIarrivedattheairport,theplanehadalreadytakenoff.●Theyhadalreadyhadbreakfastbeforetheygottothehotel.●Mostoftheguestshadleftbythetimehearrivedattheparty.●ThefilmhadalreadybegunbythetimeIgottothecinema.過(guò)去完成時(shí)的用法？過(guò)去完成時(shí)的用法：表示在過(guò)去某一時(shí)間或動(dòng)作之前已經(jīng)發(fā)生或完成了的動(dòng)作。表示動(dòng)作發(fā)生在過(guò)去的過(guò)去GrammarfocusLet’stalk.Igotup.Mysisterwenttothelibrary.Myfathercleanedthehouse.Mygrandparentswentforawalk.OurfamilyfinishedbreakfastMymotherpreparedbreakfast.Usebythetimeorwhen

tomakesentences.Bythetime__________,sb

had_______________.Sbhad__________before___________________.WhenIgotup,sbhad_______________________.Myweekendnow11:00am10:00am7:00am8:00am9:00am9:30amPresentationPre-grammarGrammarFocus探究語(yǔ)法規(guī)律探究一：過(guò)去完成時(shí)的結(jié)構(gòu)和用法◆WhenIgottoschool,IrealizedthatIhadleftmybackpackathome.◆BythetimeIgotbacktoschool,thebell hadrung.◆BeforeIgottothebusstop,thebushad alreadyleft.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2.由“過(guò)去的過(guò)去”來(lái)判定：過(guò)去完成時(shí)表示“過(guò)去的過(guò)去”，是指過(guò)去某一動(dòng)作之前已經(jīng)發(fā)生或完成的動(dòng)作，即動(dòng)作有先后關(guān)系，動(dòng)作在前的用過(guò)去完成時(shí)，在后的用一般過(guò)去時(shí)。這種用法常出現(xiàn)在：賓語(yǔ)從句中:當(dāng)賓語(yǔ)從句的主句為一般過(guò)去時(shí)，且從句的動(dòng)作先于主句的動(dòng)作時(shí)，從句要用過(guò)去完成時(shí)。在told,said,knew,heard,thought等動(dòng)詞后的賓語(yǔ)從句。Shesaid

thatshehadseen

thefilm

before.她說(shuō)她以前看過(guò)這電影。過(guò)去完成時(shí)的構(gòu)成：_____+_________.過(guò)去完成時(shí)表示：—————————————————————3.過(guò)去完成時(shí)常與_________________________等時(shí)間狀語(yǔ)連用。had

過(guò)去分詞過(guò)去某一時(shí)刻或動(dòng)作之前已經(jīng)發(fā)生或完成的動(dòng)作when,before，bythetime,bytheendof…by+時(shí)間點(diǎn)，過(guò)去完成時(shí)小結(jié)Makesentencesusingbythetimeorbefore.4a1.Timwentintothebathroom.Marygotup.2.Thecoffeebecamecold.Iputcreaminthecoffee.

3.Theteachercollectedthemathhomework.Igottoschool.1.BythetimeMarygotup,Timhadalreadygoneintothebathroom.2.BeforeIcouldputcreaminthecoffee,thecoffeehadbecomecold.3.BythetimeIgottoschool,theteacherhadcollectedthemathhomework.4aMakesentencesusingbythetimeorbefore.4.Icompletedtheworkformyboss.Theworkdayended.5.Themoviestarted.Iarrivedatthecinema.6.Mymotherfinishedmakingtheapplepie.Igothomefrommylanguagecourse.Ihadcompletedtheworkformybossbeforetheworkdayended.ThemoviehadstartedbeforeIarrivedatthecinema.BythetimeIgothomefrommylanguagecourse,mymotherhadfinishedmakingtheapplepie.finish在此處作及物動(dòng)詞,意為“結(jié)束;完成",其后跟名詞或動(dòng)詞-ing形式作賓語(yǔ)。finishdoingsth.意為"做完某事"。Writethepastformandpastparticipleforthefollowingverbs.rushoutforgetarriveatgointoshowupfindoutrushedrushedforgotforgottenarrivedarrived

wentgone

showedshown

foundfound趕到；露面原形過(guò)去式過(guò)去分詞1．SeeingJohnrushintotheroomwithtearsinhiseyes,I

askedhimwhat_____.A.wouldhappen B.hadhappenedC.happened D.washappened2．Jake_____hiskeyintheofficesohehadtowaituntilhiswife_______home.A.hasforgotten,comesB.forgot,comeC.hadleft,cameD.hadleft,wouldcomeLet’spractice.3．YesterdaywhenI_______tothestation,thetrain______

already.

A.got,hadleft B.got,hasleftC.hadgot,left D.got,left4．Igottothepartylate.BythetimeIarrived,somepeople______homealready.A.went B.wouldgoC.hadgone D.havegoneLet’spractice.Fillintheblankswiththecorrectformsofthewordsinthebox.4brushoutforgetarriveatgointoshowupfindout1.BythetimeIarrivedattheparty,everyoneelse_____already_________.2.Whenheputthenoodlesintoabowl,herealizedhe____________toaddthegreenbeans.3.Bythetimemymothercamebackfromthemarket,I______already____________thedoortogoformypianolesson.hadrushedoutshownuphadforgottenhadshowup意為“趕到;露面”例:Mybestfrienddidn'tshowuponmybirthday.我最好的朋友在我生日那天沒(méi)有來(lái)。Competition

Bytheendoftheschoolday,___________________________________.Completethesentences.Makenewsentencesasmanyaspossible.①showsb.around意為“帶領(lǐng)某人參觀"。例:TheguideshowedusaroundtheSummerPalace.導(dǎo)游帶領(lǐng)我們參觀了頤和園。②onshow意為“展覽;展出"。例:Thebeautifulpicturesareonshowinthemuseum.這些美麗的畫(huà)正在博物館展出。③showsb.sth.=showsth.tosb.意為“給某人看某物"。例:Canyoushowmeyourphotos=Canyoushowyourphotostome你可以讓我看一下你的照片嗎4b4.Beforeshegottotheairport,she___________abouttheearthquake.5.Whenshe__________themovietheater,sherememberedshehadforgottentofeedherdog.6.Beforeshegotachancetosaygoodbye,he____________thebuilding.Fillintheblankswiththecorrectformsofthewordsinthebox.4brushoutforgetarriveatgointoshowupfindouthadfoundouthadgoneintoarrivedatLet’spractice.rushoutforgetarriveatgointoshowupfindout1.BythetimeIarrivedattheparty,everyoneelse__________already__________.2.Whenheputthenoodlesintoabowl,herealizedhe___________toaddthegreenbeans.3.Bythetimemymothercamebackfromthemarket,I________already__________ofthedoortogotomypianolesson.hadshownuphadforgottenhadrushedoutLet’spractice.rushoutforgetarriveatgointoshowupfindout4.Beforeshegottotheairport,she____________abouttheearthquake.5.Whenshe__________themovietheater,sherememberedshehadforgottentofeedherdog.6.Beforeshegotachancetosaygoodbye,he_____________thebuilding.arrivedathadgoneintohadfoundoutWritetwotruestatementsandonefalsestatementaboutyourdayyesterday.Thenaskyourclassmatestoguessthefalsestatement.4c1.BythetimeIleftforschoolinthemorning,______2.Bytheendoftheschoolday,____________3.Bydinnertime,____________Ihadalreadyhaddinner.IhadalreadyfinishedmyhomeworkIhadalreadyeatenplentyoffruits.IhadgotastorybookfromJane.IhadfinishedthetestIhadcleanedtheclassroom.Ihadhadtoomanybananas.Bytheendof意為“到...時(shí)為止，....之前;到....結(jié)束時(shí)”。其后若接表示將來(lái)的時(shí)間，句子常用將來(lái)完成時(shí);若接表示過(guò)去的時(shí)間，句子常用過(guò)去完成時(shí)。例:Bytheendofnextmonth,|willhavefinishedreadingthisbook.到下個(gè)月末，我將已讀完這本書(shū)。Bytheendoflastmonth,Ihadplantedthousandsoftrees.到上個(gè)月末，我已經(jīng)種了數(shù)干棵樹(shù)了。4cPresentationPost-grammarClasstest一、用所給單詞的適當(dāng)形式填空1.他說(shuō)他以前見(jiàn)過(guò)你。Hesaidthathe______________(see)youbefore.hadseen2.當(dāng)我進(jìn)來(lái)時(shí)，他已做完了作業(yè)。WhenIcamein,he________________(finish)hishomework.hadfinished3.Thechildrenranawayafterthey___________(break)thewindow.4.IwenttoTom’shousebuthe__________(go)out.hadgon