Unit5Whatwereyoudoingwhentherainstormcame?SectionAGrammarFocus-4c課件-人教版英語八年級下冊_第1頁
Unit5Whatwereyoudoingwhentherainstormcame?SectionAGrammarFocus-4c課件-人教版英語八年級下冊_第2頁
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Unit5Whatwereyoudoingwhentherainstormcame?

SectionAGrammarfocus-4cPresentationRevisionPre-grammarAskandanswer.Whatweretheydoingat6:00p.m.yesterday?ShewaswatchingTVatthatmoment.Hewasdoinghishomeworkatthatmoment.Theywerehavingapicnicatthatmoment.Theywereplayingbasketballatthatmoment.1.預(yù)習(xí)檢測:1.icyadj.2.kidv.3.realizev.4.makeone’sway5.havealook6.wakeup7.acaraccident8.rightaway9.inbadshape10.heavysnow11.You’rekidding!12.walkby覆蓋著冰的;冰冷的開玩笑認識到;領(lǐng)會;理解費力地前進;前往看一看醒來車禍立刻變形大雪你開玩笑吧!路過1.Isawhiminthelibraryyesterday.He______abookatthattime.A.reads B.isreading C.wasreadingD.willread2.I______inthesupermarketwhenyoucalledme.A.wasshoppingB.amshoppingC.didshoppingD.wentshopping3.Mymother________whileIwasdoingmyhomework.A.cooksB.iscooking C.cooked D.wascookingPreview(預(yù)習(xí))I

posted

a

notice(通知)

on

the

WeChat

group

at

9:00

pm

last

Saturday,

but

3students

didn’treply.Whatweretheydoingthen?Leadin1.Shewaseatingbreakfastat6amyesterday.2.Weweren’twatchingTVatthattime.3.-Wereyouplayingbasketballatthattime?-Yes,wewere./No,weweren’t.4.Whatwereyoudoing

at7:00lastnight?Observethesentences.過去進行時表示過去某一時刻或一段時間內(nèi)正在進行的動作。常和表示過去的時間狀語連用,如:at6amyesterday/atthattime/at7:00lastnight等。PresentationGrammarFocusWhile-grammar探究語法規(guī)律過去進行時的結(jié)構(gòu)和用法過去進行時的結(jié)構(gòu)S(主語)+was\were+v.–ing+其它在那時他正在睡覺??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.[探究1過去進行時]過去進行時表示過去某一時間點正在進行的動作或過去某一段時間段內(nèi)一直進行的動作。1.構(gòu)成主語+was/were+__________+其他.IwaswatchingTVat9o'clocklastnight.昨天晚上九點鐘我在看電視?,F(xiàn)在分詞2.過去進行時的標志詞過去進行時的標志詞有at8o'clocklastnight,atthistimeyesterday,atthattime等。Iwaswateringflowersinthegardenatthattimeyesterday.昨天那個時候我正在花園里澆花。when和While用法小結(jié)相同點:when和while都可以作從屬連詞。引導(dǎo)時間狀語從句。都有“當……的時候”的意思。引導(dǎo)的時間狀語從句從句中的謂語動詞whenwhile不同點1:指時間段,也可以指時間點可以是延續(xù)性動詞,也可以是終止性動詞一般指一段時間表狀態(tài)的延續(xù)性動詞Lookandfillintheblanks1.—Whatwereyoudoingateightlastnight?—I____________apicture.2.—Whatwashedoingatthetimeof

therainstorm?—He____________thedishes.3.—Whatweretheydoingwhenthe

rainstormcame?—They______________thelivingroomwhentherainstormcame.wasdrawingwasdoingwerecleaningThebabyboywassleepinginthebedroomatthattime.那時那個男嬰正在臥室睡覺。Thebabyboywasn'tsleepinginthebedroomatthattime.那時那個男嬰沒有在臥室睡覺。—Wasthebabyboysleepinginthebedroomatthattime?那時那個男嬰正在臥室睡覺嗎?—Yes,hewas.是的,他正在睡覺。—No,hewasn't.不,他沒有在睡覺。Questionsandstatementswiththepastprogressivetense含義:

表示在過去的某個時間正在進行或發(fā)生的動作。結(jié)構(gòu):be(was/were)+doing(動詞-ing形式)例句:

IwashavinganEnglishclassatthistimeyesterday.含義:

表示現(xiàn)在或最近正在進行和發(fā)生的動作。結(jié)構(gòu):be(is/am/are)+doing(動詞-ing形式)例句:

IamhavinganEnglishclassnow.

現(xiàn)在進行時和過去進行時現(xiàn)在進行時過去進行時Lookatthetableandwritesentenceswithboth

whileand

when.JohnMarytakephotosbuyadrinkplaythepianoleavethehousecleanhisroomturnontheradioshoptakethecartothecarwash活學(xué)活用4aPresentation

過去進行時的結(jié)構(gòu)肯定形式否定形式問句形式was/were+doingHewassleepingatthattime.was/were+not+doingHewasnotsleepingatthattime.Was/Were+主語+doingWashesleepingatthattime?過去進行時態(tài)概念:表示在過去某一時刻或某一段時間內(nèi)正在進行的動作。時間標志:thistimeyesterday,at9:00yesterdaymorning或以when,while引導(dǎo)的時間狀語從句。構(gòu)成:基本結(jié)構(gòu):主語+was/were+v.-ing+其他成分否定昨晚那個時間你正在做什么?—What_____you______atthattimelastnight?我正在洗澡?!狪___________ashower.doingwerewastaking一般疑問句:將be提前形式:在be后面加notPresentation

動詞現(xiàn)在分詞的變化規(guī)則:口訣規(guī)則例子直1.一般情況下,直接在動詞之后+ing.play--playingstudy--studying去2.以不發(fā)音的e結(jié)尾的動詞,去e再加ing.take--takingdance--dancing雙3.重讀閉音節(jié)的動詞,雙寫尾字母再加ing.cut--cuttingswim--swimming變4.以ie結(jié)尾的動詞,把ie變?yōu)閥再加ing.lie--lyingdie--dyingtie--tying4bWhatwereyoudoingat…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:Whatwereyou

doing

atfouro’clocklastSundayafternoon?B:Iwasplayingsoccer.Howaboutyou?A:Iwasreadingabook.B:You’rekidding!Grammar

When和While引導(dǎo)的時間狀語從句共同點不同點when都可以引導(dǎo)時間狀語從句,意為“當......的時候”引導(dǎo)時間狀語從句時,既可以表示時間點,也可以表示時間段;從句中的謂語動詞既可以是非延續(xù)性動詞,也可以是延續(xù)性動詞.(多用于過去時態(tài))while引導(dǎo)時間狀語從句時,從句只表示時間段;從句中的謂語動詞必須用延續(xù)性動詞。(多用于進行時態(tài))Grammar

1.過去進行時:was/were+V-ing2.when,while引導(dǎo)的時間狀語從句。Whatwereyoudoingateightlastnight?Iwastakingashower.Whatwasshedoingatthetimeoftherainstorm?Shewasdoingherhomework.Whatwashedoing

whentherainstormcame?Hewasreadinginthelibrarywhentherainstormcame.WhatwasBendoing

whenitbegintorainheavily?Whenitbegintorain,Benwashelpinghismommakedinner.WhatwasJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework.2.IwasflyingkiteswithmyfriendsatthistimelastSunday.

(對劃線部分提問)________________________________atthistimelastSunday?3.Theywereplayingbasketballfromthreetofouryesterday.

(改為否定句)They________________basketballfromthreetofouryesterday.weren’tplayingWhatwereyoudoing

Lookatthetableandwritesentenceswithbothwhileandwhen.4c1.WhileJohnwastakingphotos,Maryboughtadrink.Johnwastakingphotos

whenMaryboughtadrink.JohnMarytakephotosbuyadrinkplaythepianoleavethehousecleanhisroomturnontheradioshoptakethecartothecarwash延續(xù)性動詞非延續(xù)性動詞相同均為連詞,均可譯為“當…之時不同while指時間段內(nèi)發(fā)生的動作,其

后必須是延續(xù)性動詞,使用進行時:when指時間點發(fā)生的動作,其后

動詞不可持續(xù),用一般過去時態(tài)。PresentationExample①IwaswalkingtoschoolwhenIsawacatinatree.②WhenSallyarrivedhome,hermotherwascleaningthehouse.主句的動作是持續(xù)性的,此時用______引導(dǎo)時間狀語從句,主句用__________時態(tài),從句用______________③WhileIwassleepinginthebedroom,someoneknockedatthedoor.④Davidfellwhilehewasridinghisbike.主句的動作是短暫性的,從句的動作是持續(xù)性的。此時用_______引導(dǎo)從句,主句用__________時態(tài),從句用__________時態(tài)。主句主句主句主句從句從句從句從句when過去進行時一般過去時while一般過去時過去進行I.根據(jù)漢語意思完成下列英語句子,每空一詞。1.昨天下午五點鐘你哥哥在做什么?What_____yourbrother___

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