人教新目标版九全英语 Unit12 SectionA GrammarFocus~4c 教学课件

Unit12Lifeisfulloftheunexpected.

SectionAGrammarFocus~4c九年级全一册

人教版LearningGoalsWarmingUpGrammarSummaryExercises112345通过本课的学习，学生能够：①了解过去完成时态（初中课标未作要求），复习一般过去时态。②运用各时态描述自己生活中发生的事情。LearningGoalsWarmingUpLet’sfirstenjoyavideo.Whatisthesongabout?Whattensewillweusewhentellingastoryhappenedlongago?Ittellsastoryaboutaprincessasleep.Pasttense.WhenIgottoschool,IrealizedthatIhadleftmybackpackathome.BythetimeIgotbacktoschool,thebellhadrung.BeforeIgottothebusstop,thebushadalreadyleft.IwasabouttogouptomyofficewhenIdecidedtogetacoffeefirst.AsIwaswaitinginlinewiththeotherofficeworkers,Iheardaloudsound.默读

“语法聚焦”表格中的例句，找出例句中运用的不同时态。Presentation一般过去时过去完成时过去将来时过去进行时Discussion这些句子，为什么分别使用一般过去时和过去完成时？在使用不同时态时，这些句子的动作有什么先后顺序？

宾语从句，主句一般过去时，从句动作发生在主句之前，用过去完成时。WhenIgottoschool,IrealizedthatIhadleftmybackpackathome.bythetime/before+一般过去时的时间状语从句，主句动作发生在从句之前，主句用过去完成时By

the

time

I

got

back

to

school,thebellhadrung.BeforeIgottothebusstop,thebushadalreadyleft.when引导的时间状语从句用一般过去时，主句表示decided的时候马上要做的事情，发生在decided这个动作之后，用过去将来时。IwasabouttogouptomyofficewhenIdecidedtogetacoffeefirst.As引导的时间状语从句用过去进行时，主句表示waswaiting那个时间发生的动作，表示过去某个时间发生的动作，主句用一般过去时AsIwaswaitinginlinewiththeotherofficeworkers,Iheardaloudsound.过去完成时由“助动词had

(用于各种人称和数)+过去分词”构成，表示某动作或状态在过去某一时间或动作之前已经发生或完成，它表示动作发生的时间是“过去的过去”。过去完成时过去的过去过去某时现在将来（先发生）（后发生）过去完成时从过去之前的某个时间点到过去的某个时间点为止1.过去完成时的句式结构(1)肯定句：(2)否定句：(3)一般疑问句：肯定回答：

否定回答：过去完成时主语+had+过去分词+其他.主语+hadn’t+过去分词+其他.Had+主语+过去分词+其他?Yes,主语+had.No,主语+hadn’t.表示一个动作或状态在过去某一时间动作之前已经发生或完成，常与by、before等构成的时间短语连用。2.过去完成时的用法Hetoldmethathehadmetherthenightbefore.BeforeIarrivedattheairport,theplanehadalreadytakenoff.(2)常用在said、told、knew、heard、realized等后面的宾语从句中。在我到达机场前，飞机已经起飞了。他告诉我他在前一天晚上已经见过她了。(4)过去完成时是一个相对的时态，只有和过去的某个时间或动作相比较时才会用到，因此可通过分析语境来确定时态。(3)在含有when、before等引导的时间状语从句的复合句中，如果从句的时态为一般过去式，主句常用过去完成时。Mostoftheguestshadleftbythetime

hearrivedattheparty.他到达聚会的时候，大部分的客人已经走了。Helenhadleftherkeysintheofficesoshehadtowaituntilherhusbandcamehome.海伦把钥匙忘到办公室里了，因此她不得不等她丈夫回来。4a.Makesentencesusingbythetimeorbefore.1.Timwentintothebathroom.Marygotup.BythetimeMarygotup,Timhadalreadygoneintothebathroom.2.Thecoffeebecamecold.Iputcreaminthecoffee.__________________________________________________3.Theteachercollectedthemathhomework.

Igottoschool.____________________________________________________________BythetimeIputcreaminthecoffee,ithadbecomecold.BeforeIgottoschool,theteacherhadcollectedthemathhomework.Practice4.Icompletedtheworkformyboss.Theworkdayended.______________________________________________________________5.Themoviestarted.Iarrivedatthecinema.________________________________________________6.Mymotherfinishedmakingtheapplepie.Igothomefrommylanguagecourse.__________________________________________________________________________________________________BythetimeIarrivedatthecinema,themoviehadstarted.BythetimeIgothomefrommylanguagecourse,mymotherhadfinishedmakingtheapplepie.Beforetheworkdayended,Ihadcompletedtheworkformyboss.4b.Fillintheblankswiththecorrectformsofthewordsinthebox.rushout

forget

arriveat

gointo

showup

findout1.BythetimeIarrivedattheparty,everyoneelse________already______________.2.Whenheputthenoodlesintoabowl,herealizedhe_____________toaddthegreenbeans.3．Bythetimemymothercamebackfromthemarket,I______already___________ofthedoortogotomypianolesson.hadshoweduphadforgottenhadrushedout4．Beforeshegottotheairport,she_____________abouttheearthquake.5．Whenshe______________themovietheater,sherememberedshehadforgottentofeedherdog.

6．Beforeshegotachancetosaygoodbye,he______________thebuilding.hadfoundoutarrivedathadgottenintorushout

forget

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findout4c.Writetwotruestatementsandonefalsestatementaboutyourdayyesterday.Thenaskyourclassmatestoguessthefalsestatement.1.BythetimeIleftforschoolinthemorning,________________________________________________2.Bytheendoftheschoolday,_________________________________________________3.Bydinnertime,I________________________________IrealizedthatIhadleftmykeysathome.Ihadalreadyfinishedmyhomework.hadmadetheeggsoup.Production一、单项选择。1.Tomwasdisappointedthatmostoftheguests______whenhe______attheparty.A.left,hadarrived B.left,arrivedC.hadleft,hadarrived D.hadleft,arrived2.We______fourthousandnewwordsbytheendoflastyear.A.hadlearned B.havelearnedC.learned D.willhavelearnedDAExercises3.ThepenI______I______isonmydesk.A.think,lost B.thought,hadlostC.think,hadlost D.thought,havelost4.—DidyouseeMr.SmithwhenyouwereinFrance?—No,whenI_____France,he______toChina.A.hadarrived,hadgone B.arrivedto,wentC.gotto,hadgone D.hadgotto,wouldgo5.Catherine______theletterbeforehermothercameintoherbedroom.A.hadwritten B.waswritten C.haswritten D.iswritingBCA6.—Ihaveboughtyouthebooksyouwant．—Oh,good,I_______afraidyouhadforgotten．A.was B.am C.hadbeen D.havebeen7.—Whydidn’tTomattendthemeetingyesterday?—He__________Beijing．A.hasgoneto B.hadgonetoC.wentto D.hadbeento8.ThebushadgonewhenI_______atthebusstop．A.havearrivedB.arrivedC.hadarrivedD.amarrivingABB9.Thepolicefoundthatthehouse______andalotofthings_____.A.hasbrokeninto,hasbeenstolenB.hadbeenbrokeninto,hadbeenstolenC.hasbeenbrokeninto,stolenD.hadbeenbrokeninto,stolen10.We_______