Unit12SectionAGrammarFocus-4c語(yǔ)法課件人教版英語(yǔ)九年級(jí)全冊(cè)

Unit12

Lifeisfulloftheunexpected.SectionAGF-4CNewwordsn.街區(qū)n.工作者；工人v.盯著看；凝視n.不信；懷疑prep.在……上面adv.在上面v.著火；燃燒(burnt,burnt;burned,burned)blockworkerstaredisbeliefaboveburnn.奶油；乳脂n.工作日

n.果餡餅；果餡派n.豆；豆莢n.市場(chǎng)；集市piebeanmarketcreamworkdayGrammarFocusReadaloudandfindoutthePastperfecttense.WhenIgottoschool,IrealizedthatIhadleftmybackpackathome.BythetimeIgotbacktoschool,thebellhadrung.BeforeIgottothebusstop,thebushadalreadyleft.IwasabouttogouptomyofficewhenIdecidedtogetacoffeefirst.AsIwaswaitinginlinewiththeotherofficeworkers,Iheardaloudsound.過(guò)去完成時(shí)一般過(guò)去時(shí)過(guò)去完成時(shí)是英語(yǔ)中的一種時(shí)態(tài)，用來(lái)表示在過(guò)去某個(gè)時(shí)間點(diǎn)或動(dòng)作發(fā)生之前已經(jīng)發(fā)生或完成的動(dòng)作或狀態(tài)。它通常與另一個(gè)過(guò)去的動(dòng)作或時(shí)間點(diǎn)相呼應(yīng)，用來(lái)強(qiáng)調(diào)先后順序。是“過(guò)去的過(guò)去”。過(guò)去完成時(shí)1.Bynineo’clocklastnight,wehad

got200picturesfromthespaceship.2.Ihadbeenatthebusstopfor20minuteswhenabusfinallycame.3.Hesaidhehadworkedinthatfactorysince1949.4.Thetrainhadleft

beforeTinareachedthestation.GrammarFocusWhenIgottoschool,IrealizedthatIhadleftmybackpackathome.BythetimeIgotbacktoschool,thebellhadrung.BeforeIgottothebusstop,thebushadalreadyleft.IwasabouttogouptomyofficewhenIdecidedtogetacoffeefirst.AsIwaswaitinginlinewiththeotherofficeworkers,Iheardaloudsound.PastPerfectTense(過(guò)去完成時(shí)態(tài)）1.方框里是什么語(yǔ)法？2.其基本結(jié)構(gòu)是：had+過(guò)去分詞WhenIgottoschool,IrealizedthatIhadleftmybackpackathome.BythetimeIgotbacktoschool,thebellhadrung.BeforeIgottothebusstop,thebushadalreadyleft.GrammarFocus

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。IwasabouttogouptomyofficewhenIdecidedtogetacoffeefirst.AsIwaswaitinginlinewiththeotherofficeworkers,Iheardaloudsound.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)。GrammarFocus過(guò)去完成時(shí)過(guò)去的過(guò)去過(guò)去某時(shí)現(xiàn)在將來(lái)過(guò)去完成時(shí)從過(guò)去之前的某個(gè)時(shí)間點(diǎn)到過(guò)去的某個(gè)時(shí)間點(diǎn)為止（先發(fā)生）（后發(fā)生）(1)概念

表示某動(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，它表示動(dòng)作發(fā)生的時(shí)間是“過(guò)去的過(guò)去”。

(2)構(gòu)成“助動(dòng)詞had(用于各種人稱和數(shù))+過(guò)去分詞”過(guò)去完成時(shí)過(guò)去完成時(shí)的句式類型肯定句：主語(yǔ)＋had＋過(guò)去分詞＋…否定句：主語(yǔ)＋hadn’t＋過(guò)去分詞＋…一般疑問(wèn)句：Had＋主語(yǔ)＋過(guò)去分詞…？

(Yes,主語(yǔ)＋had./No,主語(yǔ)＋hadn’t.)特殊疑問(wèn)句：疑問(wèn)詞＋had＋主語(yǔ)＋過(guò)去分詞＋…？GrammarFocus【圖解】1.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。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)用法①表示過(guò)去某一時(shí)間可用by,before

等構(gòu)成的短語(yǔ)表示。②也可以用when,before

等引導(dǎo)的時(shí)間狀語(yǔ)從句表示。③還可以通過(guò)狀語(yǔ)從句或通過(guò)上下文暗示。例如：Bythetimehegothere,thebus

hadleft.

在他到達(dá)那里之前，汽車已經(jīng)離開(kāi)了。過(guò)去的過(guò)去過(guò)去現(xiàn)在將來(lái)過(guò)去完成時(shí)2.表示某一動(dòng)作或狀態(tài)在過(guò)去某時(shí)之前已經(jīng)開(kāi)始，一直延續(xù)到這一過(guò)去的時(shí)間。常用表延續(xù)的時(shí)間狀語(yǔ)如：bytheendof+過(guò)去的時(shí)間點(diǎn)，bythetime+從句等。

過(guò)去完成時(shí)用法

例如:Bytheendoflastyear,shehadworkedinthe

factoryfortwentyyears.

到去年年底，她已經(jīng)在這家工廠工作20年了?！緢D解】過(guò)去完成時(shí)過(guò)去的過(guò)去過(guò)去現(xiàn)在將來(lái)過(guò)去完成時(shí)由“助動(dòng)詞had(用于各種人稱和數(shù))+過(guò)去分詞”構(gòu)成，表示某動(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，它表示動(dòng)作發(fā)生的時(shí)間是“過(guò)去的過(guò)去”。過(guò)去的過(guò)去過(guò)去某時(shí)現(xiàn)在將來(lái)過(guò)去完成時(shí)從過(guò)去之前的某個(gè)時(shí)間點(diǎn)到過(guò)去的某個(gè)時(shí)間點(diǎn)為止（先發(fā)生）（后發(fā)生）ConceptandformsWhenIgottoschool,IrealizedthatIhadleftmybackpackathome.By

the

time

I

got

back

to

school,thebellhadrung.BeforeIgottothebusstop,thebushadalreadyleft.IwasabouttogouptomyofficewhenIdecidedtogetacoffeefirst.AsIwaswaitinginlinewiththeotherofficeworkers,Iheardaloudsound.

2.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。1.兩個(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)。Conceptandformsmymomcamebacknow17:1517:00amIcleaneduptheyardBythetime...Bythetimemymomcameback,Ihadcleaneduptheyard.6:007:00現(xiàn)在Bythetime...BythetimeIgotup,mysisterhadalreadywashedalltheclothes.Igotupmysisterwashedalltheclothes過(guò)去的過(guò)去過(guò)去某時(shí)現(xiàn)在將來(lái)（先發(fā)生）（后發(fā)生）過(guò)去完成時(shí)從過(guò)去之前的某個(gè)時(shí)間點(diǎn)到過(guò)去的某個(gè)時(shí)間點(diǎn)為止過(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”例：Ihadhadthebackpackfor4years

bylastyear.

到去年為止，我已經(jīng)買了這個(gè)背包四年了。

hadhadlastyear

now過(guò)去完成時(shí)：強(qiáng)調(diào)“過(guò)去的過(guò)去”；一般過(guò)去時(shí)：強(qiáng)調(diào)過(guò)去某一特定的時(shí)間。 ①Theyhadarrivedat

thestationbyten

yesterday.

他們昨天十點(diǎn)前就到車站了。

②Theyarrivedatthestationatten

yesterday.

他們昨天十點(diǎn)到了車站。 過(guò)去完成時(shí)和一般過(guò)去時(shí)的區(qū)別現(xiàn)在完成時(shí)表示的動(dòng)作發(fā)生在說(shuō)話之前某個(gè)沒(méi)有明確說(shuō)出的過(guò)去時(shí)間，側(cè)重過(guò)去發(fā)生的動(dòng)作對(duì)現(xiàn)在產(chǎn)生的影響或造成的結(jié)果，與現(xiàn)在有關(guān)；過(guò)去完成時(shí)的動(dòng)作發(fā)生在“過(guò)去的過(guò)去”，它是一個(gè)相對(duì)的時(shí)態(tài)，不能離開(kāi)過(guò)去的時(shí)間而獨(dú)立存在。e.g.Wehavelearned1,000Englishwordssofar.Wehadlearned1,000Englishwordsbythen.現(xiàn)在完成時(shí)和過(guò)去完成時(shí)的區(qū)別Practice1.Bythetimemyparentsreachedhomeyesterday,I

_____thedinneralready.A.hadcookedB.cookedC.havecookedD.wascooked2.He____toplay____beforehewas11yearsold.A.hadlearned,pianoB.hadlearned,thepianoC.haslearned,thepianoD.learns,piano3.Bytheendoflastmonth,I_______alltheCDsof

JustinBieber.A.collectB.collectedC.havecollectedD.hadcollected4.Robertwasveryupsetthatmostofhisfriends______whenhe______attheparty.A.left;hadarrivedB.hadleft;arrivedC.left;arrivedD.hadleft;hadarrivedMakesentencesusingbythetimeorbefore.1.Timwentintothebathroom.Marygotup._______________________________________________________2.Thecoffeebecamecold.Iputcreaminthecoffee._______________________________________________________3.Theteachercollectedthemathhomework.Igottoschool._______________________________________________________4.Icompletedtheworkformyboss.Theworkdayended._______________________________________________________5.Themoviestarted.Iarrivedatthecinema._______________________________________________________6.Mymotherfinishedmakingtheapplepie.Igothomefrommylanguagecourse._______________________________________________________4aBythetimeMarygotup,Timhadalreadygoneintothebathroom.BeforeIcouldputcreaminthecoffee,thecoffeehadbecomecold.BythetimeIgottoschool,theteacherhadcollectedthemathhomework.Ihadcompletedtheworkformybossbeforetheworkdayended.ThemoviehadalreadystartedbeforeIarrivedatthecinema.BythetimeIgothomefrommylanguagecourse,mymotherhadfinishedmakingtheapplepie.4bFillintheblankswiththecorrectformsofthewordsinthebox.rushout

forget

arriveat

gointo

showup

findout1.BythetimeIarrivedattheparty,everyoneelse________already______________.2.Whenheputthenoodlesintoabowl,herealizedhe_____________toaddthegreenbeans.hadshoweduphadforgotten3．Bythetimemymothercamebackfromthemarket,I_____already___________ofthedoortogotomypianolesson.4．Beforeshegottotheairport,she_____________abouttheearthquake.5．Whenshe______________themovietheater,sherememberedshehadforgottentofeedherdog.

6．Beforeshegotachancetosaygoodbye,he_____________thebuilding.

hadrushedouthadfoundoutarrivedathadgottenintorushout

forget

arriveat

gointo

showup

findoutrushoutforgetarriveatgointoshowupfindoutFillintheblankswiththecorrectformsofthewordsinthebox.4b1.BythetimeIarrivedattheparty,everyoneelse____already__________.2.Whenheputthenoodlesintoabowl,herealizedhe____________toaddthegreenbeans(n.豆).3.Bythetimemymothercamebackfromthemarket(n.市場(chǎng)),I____already__________ofthedoortogotomypianolesson.4.Beforeshegottotheairport,she____________abouttheearthquake.5.Whenshe_________themovietheater,sherememberedshehadforgottentofeedherdog.6.Beforeshegotachancetosaygoodbye,he____________thebuilding.hadshoweduphadforgottenhadrushedouthadfoundoutarrivedathadgoneintoWritetwotruestatementsandonefalsestatementaboutyourdayyesterday.Thenaskyourclassmatestoguessthefalsestatement.1.BythetimeIleftforschoolinthemorning,_________________________

_________________________

_________________________2.Bytheendoftheschoolday,

____________________________________________________

__________________________3.Bydinnertime,I______________________

I______________________

I____________________________Ihadalreadyhadbreakfast.Ihadalreadytakenashower.Ihadalreadywashedmyface.IhavegotapresentfromTom.Ihadhadfinishedthetest.Ihadfinishedmyhomework.hadhadtoomanyapples.hadeatenplentyofmeat.hadfinishedallthehousework.4c1．WhenIgothome,IrealizedI________mykeysintheclassroom.A．left B．leave C．leaving D．hadleft2．Bythetimehewasfourteen,he________upasmallchemistrylab.A．hadset B．hasset C．set D．sets3．Whenwehurriedtothecinema,thefilm________fortenminutes.A．hadbeenon B．hadbegun C．hadbegunon D．begun4．BythetimeIrushedintothetheater,theshow________forhalfanhour.A．hadbegun B．began C．wason D．hadbeenonExercise一、單項(xiàng)選擇。5．—Tomgotafullmarkinthequizyesterday.—Yes,he________he________thenotestwice.A．said;hadgoneover B．said;hasgoneoverC．says;willgoover D．says;isgoingtogoover6．—Hello,UncleJohn.AreyoustillonMountHuangshan—Oh,no.Wearebackhome.W