Unit 5 第3課時(shí) Section A Grammar Focus-4c（同步課件）【知識(shí)精研】八年級(jí)英語下冊(cè)（人教版）

第3課時(shí)SectionAGrammarFocus-4c初中英語/人教版/八年級(jí)下冊(cè)

Unit5Whatwereyoudoingwhentherainstormcame?01Review05Summary03Presentation02Grammar06Homework04Exercises01020304語言能力思維品質(zhì)文化意識(shí)學(xué)習(xí)能力學(xué)習(xí)目標(biāo)掌握下列詞匯：havealook,icy,kid...

通過情境創(chuàng)設(shè)，理解過去進(jìn)行時(shí)態(tài)的運(yùn)用；通過小組合作總結(jié)語法規(guī)律，學(xué)會(huì)正確使用過去進(jìn)行時(shí)。發(fā)展學(xué)生的發(fā)現(xiàn)能力和合作精神，體會(huì)中西方語言的差別。掌握過去進(jìn)行時(shí)was/were+doing的定義、結(jié)構(gòu)，時(shí)間狀語和用法。ReviewPart011.—Whatwereyoudoingateightlastnight?—I____________ashower.wastaking2.—Whatwasshedoingatthetimeoftherainstorm?—She____________herhomework.3.—Whatwashedoingwhentherainstormcame?—He______________inthelibrary.wasreading4.—WhatwasBendoingwhenitbegantorainheavily?—______itbegantorain,Benwashelpinghismommakedinner.When5.—WhatwasJennydoingwhileLindawassleeping?—______Lindawassleeping,Jennywashelping

Marywithherhomework.WhilewasdoingWhatweretheydoingat6:00p.m.yesterday?ShewaswatchingTVatthatmoment.Hewasdoinghishomeworkatthatmoment.Theywerehavingapicnicatthatmoment.Theywereplayingbasketballatthatmoment.Makeupthesentences.WhenI…,hewas…WhenIcalledhimup,hewassleeping.Iwas…,when…Iwaswaitingforthebuswhenitbegantorain.WhileIwas…,he…WhileIwaswalkingtoschool,hefellasleep.WhileIwaswalkingtoschool,hewassleeping.Grammar

Part02GrammarFocusReadthesentencesandtranslatethem.Whatwereyoudoingateightlastnight?Iwastakingashower.Whatwasshedoingatthetimeoftherainstorm?Shewasdoingherhomework.Whatwashedoingwhentherainstormcame?Hewasreadinginthelibrarywhentherainstormcame.WhatwasBendoingwhenitbegantorainheavily?Whenitbegantorain,Benwashelpinghismommakedinner.WhatwasJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework.1.—Whatwereyou_______ateightlastnight?—I_____________(take)ashower?2.–What______shedoingatthetimeofrainstorm?—She_____________(do)herhomework.3.—Whatwashedoingwhentherainstorm________(come)?—He_____________(read)inthelibrarywhentherainstormcame.4.—WhatwasBen_______whenit_______torainheavily?—Whenitbegantorain,Ben____________(help)hismommakedinner.5—WhatwasJennydoingwhileLinda____________(sleep)?—WhileLindawassleeping,Jenny____________(help)Marywithmath.Fillintheblanksaccordingtogrammarfocus.doingwastakingwaswasdoingcamewasreadingdoingbeganwashelpingwassleepingwashelpingGrammarFocusWhatdidyoufindout?Whatwereyoudoingateightlastnight?Iwastakingashower.Whatwasshedoingatthetimeoftherainstorm?Shewasdoingherhomework.Whatwashedoingwhentherainstormcame?Hewasreadinginthelibrarywhentherainstormcame.WhatwasBendoingwhenitbegantorainheavily?Whenitbegantorain,Benwashelpinghismommakedinner.WhatwasJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework.

過去進(jìn)行時(shí)的結(jié)構(gòu)和用法1.含義：過去進(jìn)行時(shí)表示_____________或______________正在進(jìn)行或發(fā)生的動(dòng)作。過去某一時(shí)刻過去某一時(shí)間段Whatwereyoudoing

at8o’clockyesterday?WhatwasJennydoingfrom7to9lastnight?過去某一時(shí)刻時(shí)間段過去進(jìn)行時(shí)的結(jié)構(gòu)和用法Whatwereyoudoing

whenthestormcame?Whilethegirlsweresinging,theboysweredancing?過去某一時(shí)刻時(shí)間段ShewaswatchingTVatthatmoment.Hewasdoinghishomeworkat6:00p.m.yesterdayTheywerehavingapicnicatthatmoment.Theywereplayingbasketballat6:00p.m.yesterday.過去的某個(gè)時(shí)間點(diǎn)：當(dāng)時(shí)正在做某事過去進(jìn)行時(shí)的結(jié)構(gòu)和用法2.構(gòu)成：was/were+動(dòng)詞-ing形式當(dāng)主語是第一人稱單數(shù)形式或第三人稱單數(shù)形式時(shí)，be動(dòng)詞用was，其余人稱用were。Iwasdoingmyhomework

at9:00pmlastSaturday.Zhengwas

playingcomputergamesatthattime.Wenandhersisterwerestudying

whenIposted

a

notice.Theywereplayingcomputergameswhenitbegantorain.WhenJakewassleeping,hisbrotherplayedbasketball.Teacherswerewaitingforthebus

whentherainstormcame.過去進(jìn)行時(shí)的結(jié)構(gòu)和用法3.過去進(jìn)行時(shí)的結(jié)構(gòu)S(主語)+was\were+v.–ing+其它在那時(shí)他正在睡覺?？隙ㄐ问絯as\were+doing否定形式was\were+not+doingHewasn’tsleepingatthattime.一般疑問句形式was\were+主語+doing？Washesleepingatthattime?特殊疑問句形式疑問詞+was\were+主語+doing？Whatwashedoingatthattime?Hewassleepingatthattime.過去進(jìn)行時(shí)的結(jié)構(gòu)和用法4.過去進(jìn)行時(shí)的標(biāo)志詞表示過去時(shí)間點(diǎn)的有:then,atthat\thistimetimeyesterday,at5o'clocklastnight,Whentheteachercamein/left等表示過去時(shí)間段的有:allnight,allthemorning,from7:00to9:00yesterday;whilehewasreading?等昨天晚上9點(diǎn)格林一家人沒有看電視。TheGreenswerenotwatchingTVat9:00lastnight.Whenmymothercameback,Iwaseatingbreakfast昨天那個(gè)時(shí)候格雷絲正在花園里澆花。Gracewaswateringflowersinthegardenatthattimeyesterday.Iwassinging

whilemysisterwasdancing.過去進(jìn)行時(shí)的結(jié)構(gòu)和用法5.現(xiàn)在進(jìn)行時(shí)與過去進(jìn)行時(shí)的區(qū)別過去進(jìn)行時(shí)含義:表示過去某個(gè)時(shí)刻或某一階段正在進(jìn)行的動(dòng)作。結(jié)構(gòu)：was/were+doing例句：IwashavinganEnglishclassatthistimeyesterday.現(xiàn)在進(jìn)行時(shí)含義:表示現(xiàn)在正在進(jìn)行的動(dòng)作。結(jié)構(gòu)：

is/am/are+doing例句：IamhavinganEnglishclass.

now,Look!Listen!atthemoment時(shí)間狀語與特定的過去時(shí)間狀語連用,常見的時(shí)間有:at9lastnight,atthistime，atthattime,atthatmoment，from...to等過去進(jìn)行時(shí)的結(jié)構(gòu)和用法6.過去進(jìn)行時(shí)和一般過去時(shí)的區(qū)別用法不同一般過去時(shí)：過去某個(gè)時(shí)間發(fā)生的動(dòng)作或存在的狀態(tài)，強(qiáng)調(diào)動(dòng)作已發(fā)生或已完成。過去進(jìn)行時(shí)：過去某一時(shí)刻或某一段時(shí)間正在進(jìn)行或發(fā)生的動(dòng)作，強(qiáng)調(diào)動(dòng)作正在進(jìn)行，而可能尚未完成的動(dòng)作。Davidwrotealettertohisfriendlastnight.戴維昨晚給他的朋友寫了封信。（信寫完了）Davidwaswritingalettertohisfriendlastnight.戴維昨晚一直給他的朋友寫信。（信不一定寫完）過去進(jìn)行時(shí)的結(jié)構(gòu)和用法6.過去進(jìn)行時(shí)和一般過去時(shí)的區(qū)別謂語動(dòng)詞結(jié)構(gòu)不同一般過去時(shí)：主語+was/were+V-ing形式過去進(jìn)行時(shí)：主語+動(dòng)詞過去式時(shí)間狀語不同一般過去時(shí)：yesterday,lastweek,in1993,once,before,afewdaysago等。過去進(jìn)行時(shí)：at7yesterday,atthattime,thistimelastnigh等;when與while引導(dǎo)的時(shí)間狀語從句。1.Sallytookaphotoofherfriendswhilethey__________(play)computergames.2.Justaminute!Mybrother___________(wash)hiscarinthegarden.3.—CanPeterplaygameswithus,Mrs.Hawking?—Waitaminute.He_________(take)ashower.4.Myuncle__________(read)booksintheroomatthistimeyesterday.5.Iwasplayingcomputergameswhenmymothercameintomyroom.(同義句轉(zhuǎn)換)_________________________________________________________While/WhenIwasplayingcomputergames,mymothercameintomyroom.wereplayingiswashingistakingwasreading小試牛刀GrammarFocusWhatdidyoufindout?Whatwereyoudoingateightlastnight?Iwastakingashower.Whatwasshedoingatthetimeoftherainstorm?Shewasdoingherhomework.Whatwashedoingwhentherainstormcame?Hewasreadinginthelibrarywhentherainstormcame.WhatwasBendoing

whenitbegantorainheavily?Whenitbegantorain,Benwashelpinghismommakedinner.WhatwasJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework.

過去進(jìn)行時(shí)中的when與while引導(dǎo)的時(shí)間狀語從句相同點(diǎn)：when和while均可作連詞，意為“當(dāng)……的時(shí)候”，引導(dǎo)時(shí)間狀語從句，和過去進(jìn)行時(shí)連用。IwasdiscussingamathproblemwithJoewhenMikecalledmeup.

WhileIwasfishingbytheriver,Isawanemptyboatnearby.過去進(jìn)行時(shí)中的when與while引導(dǎo)的時(shí)間狀語從句when引導(dǎo)的時(shí)間狀語從句通常與瞬間性動(dòng)詞或延續(xù)性不強(qiáng)的動(dòng)詞連用。瞬間性動(dòng)詞指動(dòng)作極為短暫，瞬間結(jié)束。如：

start,begin,hit,jump,knock等。when引導(dǎo)的時(shí)間狀語從句與瞬間性動(dòng)詞連用時(shí)，用一般過去時(shí)，主句用過去進(jìn)行時(shí)。Iwaswaitingforthebuswhenitbegantorainheavily.主句when引導(dǎo)的時(shí)間狀語從句延續(xù)性動(dòng)詞指動(dòng)作可以延續(xù)一段時(shí)間，而不是瞬間結(jié)束。如：work,study,drink,eat等。when引導(dǎo)的時(shí)間狀語從句與延續(xù)性不強(qiáng)的延續(xù)性動(dòng)詞連用時(shí)，用過去進(jìn)行時(shí)，主句用一般過去式。Iarrived

athomewhenmymumwascooking.主句when引導(dǎo)的時(shí)間狀語從句過去進(jìn)行時(shí)中的when與while引導(dǎo)的時(shí)間狀語從句while引導(dǎo)的時(shí)間狀語從句強(qiáng)調(diào)主句動(dòng)作在從句動(dòng)作進(jìn)行的過程中發(fā)生，從句的謂語動(dòng)詞必須為延續(xù)性動(dòng)詞，常用進(jìn)行時(shí)。1.從句用過去進(jìn)行時(shí)，主句用一般過去時(shí)。WhileIwaswatchingTV,Tomcamein.2.主句和從句都用進(jìn)行時(shí)。強(qiáng)調(diào)主、從句動(dòng)作同時(shí)進(jìn)行。WhileIwaswatchingTV,shewasdoingsomecleaning.WhileLindawassleeping,Jennywashelpingmewithmyhomework.強(qiáng)調(diào)主句動(dòng)作發(fā)生時(shí)，從句動(dòng)作正在進(jìn)行，常用while引導(dǎo)從句。主句常用一般過去時(shí)，從句常用過去進(jìn)行時(shí)。當(dāng)我正在河邊釣魚時(shí)，我看到附近有一條空船。WhileIwasfishingbytheriver,Isawanemptyboatnearby.過去進(jìn)行時(shí)中的when與while引導(dǎo)的時(shí)間狀語從句主句動(dòng)作是持續(xù)性的，用__________時(shí)態(tài)；從句動(dòng)作是短暫性的，用___________時(shí)態(tài)，用______引導(dǎo)。①IwaswalkingtoschoolwhenIsawacatinatree.②WhenSallyarrivedhome,hermotherwascleaningthehouse.過去進(jìn)行when一般過去主句動(dòng)作是短暫性的，用__________時(shí)態(tài)；從句動(dòng)作是持續(xù)性的，用___________時(shí)態(tài)，用______引導(dǎo)。③WhileIwassleepinginthebedroom,someoneknockedatthedoor.④Davidfellwhilehewasridinghisbike.一般過去while過去進(jìn)行Hewasreadinginthelibrarywhen

therainstormcameWhileAmywasreadingabook，Icamein.過去進(jìn)行時(shí)中的when與while引導(dǎo)的時(shí)間狀語從句主句和從句動(dòng)作在過去的某時(shí)刻或某段時(shí)間同時(shí)發(fā)生，且動(dòng)作都是持續(xù)性，主句、從句都用_________時(shí)態(tài)，用______引導(dǎo)從句，⑤WhileAndywaswaitingforthebus,hewasreadinganewspaper.⑥HewascleaninghiscarwhileIwascooking.過去進(jìn)行whileWhileLindawassleeping，JennywashelpingMarywithherhomework.WhileJohnwasriding,Marywasrunning.小試牛刀用when、while填空

1.______Ritaboughthernewdog,itwaswearingalittlecoat.2.______IsawMike,hewaswearingagreenshirt.3.__________Maywastalkingonthephone,hersisterwalkedin.4.______Iwasdancing,hewassingingloudly.5.______LindafinallysawDave,hewasjumpingwithadog.6.Iwascleaningmyroom______hecamein.WhileWhenWhenWhile/WhenWhenwhenPresentationPart03Lookatthetableandwritesentenceswithbothwhileandwhen.4aWhileJohnwastakingphotos,Marywaswalkingtowardstheshop.Johnwastakingphotos

whileMarywaswalkingtowardstheshop.JohnMarytakephotoswalktowardstheshopplaythepianoleavethehousecleanhisroomturnontheradioshoptakethecartothecarwash延續(xù)性動(dòng)詞非延續(xù)性動(dòng)詞Lookatthetableandwritesentenceswithbothwhileandwhen.4aJohnMarytakephotosbuyadrinkplaythepianoleavethehousecleanhisroomturnontheradioshoptakethecartothecarwash2.WhileJohnwasplayingthepiano,Maryleftthehouse.JohnwasplayingthepianowhenMaryleftthehouse.Lookatthetableandwritesentenceswithbothwhileandwhen.4aJohnMarytakephotosbuyadrinkplaythepianoleavethehousecleanhisroomturnontheradioshoptakethecartothecarwash3.WhileJohnwascleaninghisroom,Maryturnedontheradio.JohnwascleaninghisroomwhenMaryturnedontheradio.Lookatthetableandwritesentenceswithbothwhileandwhen.4aJohnMarytakephotosbuyadrinkplaythepianoleavethehousecleanhisroomturnontheradioshoptakethecartothecarwash4.WhileJohnwasshopping,Marytookthecartothecarwash.JohnwasshoppingwhenMarytookthecartothecarwash.Fillintheblankswithwas,were,whenorwhile.At7:00a.m.,Iwokeup._____I____makingmybreakfast,mybrother_____listeningtotheradio._____Iwaseating,theradionewstalkedaboutacaraccidentnearourhome.MybrotherandIwentoutrightawaytohavealook._____wegottotheplaceoftheaccident,thecar____inbadshapefromhittingatree.Butluckily,thedriver____fine.Theroads_____icybecauseoftheheavysnowfromthenightbefore.WhilewasWhileWhenwaswaswere4bWhatwereyoudoingatthesetimeslastSunday?Fillinthechart.Thenaskyourpartner.4cYouYourpartner9:00a.m.11:00a.m.4:00p.m.9:00p.m.WhatwereyoudoingatthesetimeslastSunday?Fillinthechart.Thenaskyourpartner.4cWhatwereyoudoingat…lastSunday?9:00a.m.11:30a.m.4:00p.m.9:00p.m.A:Whatwereyoudoingatnineo’clocklastSundaymorning?B:Iwassleeping.Howaboutyou?A:Iwasdoingmyhomework.B:You’rekidding!v.欺騙;戲弄;開玩笑Example:A:Whatwereyoudoingatfouro’clocklastSundayafternoon?B:Iwasplayingsoccer.Howaboutyou?A:Iwasreadingabook.B:You’rekidding!Exercises

Part041.______Iarrivedattheairport,theplanewastakingoff.A.WhenB.WhileC.HowD.What2.Mybrotherwasplayingcomputergames_______mysisterwasreading.A.WhenB.WhileC.HowD.What3.Icalledyouyesterdayevening.Butnobodyanswered.sorry.MaybeI______inthebathroomatthetime.A.takeashowerB.tookashowerC.wastakingashower