Unit 12 Section A Grammar Focus -4c 課件-人教版九年級英語全冊

Unit12LifeisfulloftheunexpectedGrammarfocus-4cGrammarFocusWhenIgottoschool,IrealizedthatIhadleftmybackpackathome.BythetimeIgottoschool,thebellhadrung.BeforeIgottothebusstop,thebushadalreadyleft.IwasabouttogouptomyofficewhenIdecidedtogetacoffeefirst.AsIwaswaitinginlinewiththeotherofficeworkers,Iheardaloudsound.

過去完成時表示在過去某個時間或動作之前已經(jīng)發(fā)生或完成了的動作或存在的狀態(tài)，即“過去的過去（past-in-the-past）”。例：WehadlearnedEnglishfor4yearsbeforeenteredhighschool.上中學前，我們已經(jīng)學英語四年了。

pastinthepastpast

now過去完成時(1)構(gòu)成：由“助動詞had(用于各種人稱和數(shù))+過去分詞”構(gòu)成否定式：hadnot+過去分詞

縮寫形式：hadn’t+過去分詞(2)用法：過去完成時表示在過去某一時間或動作之前已經(jīng)發(fā)生或完成了的動作。(3)它所表示動作發(fā)生的時間是“過去的過去”。①表示過去某一時間可用by,before

等構(gòu)成的短語來表示。②也可以用when,before

等引導(dǎo)的時間狀語從句來表示。③還可以通過狀語從句或通過上下文暗示。過去完成時的判斷

由“過去的過去”來判定。

過去完成時表示“過去的過去”，先發(fā)生的動作用過去完成時，后發(fā)生的動作用一般過去時。

例：WhenIgottothestation,thetrainhadalreadyleft.

當我到車站時，火車已經(jīng)離開了。Afterhehadfinishedhishomework,hewenttobed.完成作業(yè)后他就去睡覺了。

firstfirst后例如：WhenIgotthere,youhadalreadyeatenyourmeal.當我到達那里時，你已經(jīng)開始吃了。Bythetimehegothere,thebus

hadleft.在他到達那里之前，汽車已經(jīng)離開了。Bythetime…When…languagepointsbythetime的用法bythetime

意為“到……時候(為止)”，在句中常起到連詞的作用，引導(dǎo)時間狀語從句。從句中的謂語動詞是一般過去式，主句的謂語動詞通常用過去完成時，表示“截止到從句動作發(fā)生時，主句動作已經(jīng)完成，即過去的過去”。Bythetimesheranoutside,

thebushadalreadyleft.Whensheranoutside,thebushadalreadyleft.過去的過去過去sheranoutsidethebusleftthepolicemangottotheshopTomranaway

Bythetimethepoliceman

gotto

theshop,Tomhadrunaway.Whenthepoliceman

gotto

theshop,Tomhadrunaway.過去的過去過去Jennywokeup

theconcertwasover

BythetimeJennywokeup,theconcerthadbeenover.WhenJennywokeup,theconcerthadbeenover.

過去的過去過去總結(jié)1.過去完成時的構(gòu)成：_____+___________2.過去完成時表示：

__________________________________

__________________________________3.過去完成時常與___________________________

等引導(dǎo)的時間狀語連用。had過去分詞when,before,bythetime過去某一時刻或動作之前已經(jīng)發(fā)生或完成的動作。過去的過去過去完成時的時間狀語whenbythetimebeforeassoonasuntilonceafter

WhenIgotup,mybrotherhadgottenintotheshower.BythetimeIreachedschool,theteacherhadbeganteaching.BeforeIfinishedmyhomework,thegamehadbegan.AssoonasIrealizedtheresult,theicehadbroken.Shedidn’tfallasleepuntillshehadfinishedherwork.AfterIgratitudedfromschool,Ihadlearned3languages.1.Timwentintothebathroom.Marygotup.

________________________________________________________________________2.Thecoffeebecamecold.Iputcream(n.

奶油)

inthecoffee.` ____________________________________________________________________BeforeIputcreaminthecoffee,thecoffeehadbecomecold.4aMakesentencesusingbythetimeorbefore.BythetimeMarygotup,Timhadalreadygoneintothebathroom.3.Theteachercollectedthemathhomework.Igottoschool.________________________________________________________________________________4.Icompletedtheworkformyboss.Theworkday(n.工作日)ended.________________________________________________________________________________BythetimeIgottoschool,theteacherhadcollectedthemathhomework.Ihadcompletedtheworkformybossbeforetheworkdayended.5.Themoviestarted.Iarrivedatthecinema.____________________________________________________________________6.Mymotherfinishedmakingtheapplepie

(n.

蘋果派).

Igothomefrommylanguagecourse.__________________________________________________________________________________________________________________ThemoviehadstartedbeforeIarrivedatthecinema.BythetimeIgothomefrommylanguagecourse,mymotherhadfinishedmakingtheapplepie.1.BythetimeIarrivedattheparty,everyoneelse_____already____________.2.Whenheputthenoodlesintoabowl,herealizedhe______________toaddthegreenbeans(n.豆).rushout,forget,arriveat,gointo,showup(趕到；露面),findoutshownuphadhadforgotten4bFillintheblankswiththecorrectformsofthewordsinthebox.3.Bythetimemymothercamebackfromthe market(n.

市場),I____already__________ofthedoortogoformypianolesson.4.Beforeshegottotheairport,she______________abouttheearthquake.5.Whenshe_____________themovietheater,sherememberedshehadforgottentofeedher dog.6.Beforeshegotachancetosaygoodbye,he________________thebuilding.hadrushedoutarrivedathadgoneintohadfoundout1.BythetimeIleftforschoolinthemorning, ______________________________________________________________________________________________________Ihadalreadyhadbreakfast.Ihadalreadyhadsupper.Ihadalreadyhadmyhaircut.Writetwotruestatementsandonefalsestatementaboutyourdayyesterday.Thenaskyourclassmatestoguessthefalsestatement.4c2.Bytheendoftheschoolday,__________________________________ __________________________________ __________________________________3.Bydinnertime, I_________________________________ I_________________________________ I_________________________________IhavegotapresentfromTom.Ihadhadthesearticlesread.Ihadfinishedmyhomework.hadhadtoomanyapples.hadeatenplentyofmeat.havehadallthehouseworkfinished.寫出下面短語的意思。

1.

show

up

____________

2.

be

full

of…

____________

3.

arrive

at

____________4.

be

about

to

____________

5.

take

off

____________

6.

turn

into