Unit5SectionAGrammarFocus課件-人教版英語八年級(jí)下冊(cè)

Unit5Whatwereyoudoingwhentherainstormcame?SectionA語法2--Iwastakingashowerateightlastnight.Whatwereyoudoingateightlastnight?Freetalk--Whatwastheboydoingatthetimeoftherainstorm?--Hewasdoinghishomeworkatthetimeoftherainstorm.

Lookandsay--Whatweretheydoingwhentherainstormcame?--Theywerereadinginthelibrarywhentherainstormcame.

Lookandsay--Whatwasshedoingwhenitbegantorainheavily?--Whenitbegantorainheavily,shewashelpinghermommakedinner.

LookandsayWhatwereyoudoingateightlastnight?Iwastakingashower.Whatwasshedoingatthetimeoftherainstorm?Shewasdoingherhomework.Whatwashedoingwhentherainstormcame?Hewasreadinginthelibrarywhentherainstormcame.WhatwasBendoingwhenitbegantorainheavily?Whenitbegantorain,Benwashelpinghismommakedinner.WhatwasJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework.GrammarObservethesesentences.非延續(xù)性延續(xù)性Grammar延續(xù)性動(dòng)詞與非延續(xù)性動(dòng)詞(1)延續(xù)性動(dòng)詞動(dòng)作_____(可以/不可以)延續(xù)一段時(shí)間,而不是瞬間結(jié)束。(2)瞬間性(非延續(xù)性)動(dòng)詞

動(dòng)作極為短暫，瞬間結(jié)束。區(qū)別可以ShereadbooksforthreehourslastSunday.YuanLongpingdiedthreeyearsago.延續(xù)性瞬間性When?While?過去進(jìn)行時(shí)中的whenTheywerereadinginthelibrarywhentherainstormcame.Whenitbegantorainheavily,shewashelpinghermommakedinner.從句在前面是要用逗號(hào)隔開①

When+一般過去時(shí)，主句過去進(jìn)行時(shí)werereadingwashelping

when引導(dǎo)的時(shí)間狀語從句

動(dòng)詞一般為____________,瞬間動(dòng)詞強(qiáng)調(diào)在過去某個(gè)時(shí)間點(diǎn)，某事正在進(jìn)行過去進(jìn)行時(shí)中的whenWhenitbegantorainheavily,shewashelpinghermommakedinner.

when引導(dǎo)的時(shí)間狀語從句

動(dòng)詞也可以為____________,延續(xù)性動(dòng)詞動(dòng)詞表達(dá)在某個(gè)動(dòng)作持續(xù)的期間，某事發(fā)生了。Itbegantorainheavilywhenshewashelpinghermommakedinner.washelping

When+過去進(jìn)行時(shí)，主句一般過去時(shí)MyfriendWhenmyfriend______(call)me,Iwassleeping.I_____________(have)breakfastwhenmyfriendgottoschool.calledwashaving過去進(jìn)行時(shí)中的whileWhiletheywerereadinginthelibrary,therainstormcame.Whileshewashelpinghermommakedinner,itbegantorainheavily.②

While+過去進(jìn)行時(shí)，主句一般過去時(shí)werereadingwashelpingwhile引導(dǎo)的從句動(dòng)詞必須是______________,

延續(xù)性動(dòng)詞表達(dá)在某個(gè)動(dòng)作持續(xù)的期間，某事發(fā)生了。classWhileI_________(make)mywaytotheclassroom,theclassbegan.makeone'sway(to)...前往wasmaking初二1班WhileIwasridingmybiketoschool,thebell____(ring).rang過去進(jìn)行時(shí)中的when和while1.Theywerereadinginthelibrarywhentherainstormcame.

Whiletheywerereadinginthelibrary,therainstormcame.2.Whenitbegantorainheavily,shewashelpinghermommakedinner.

Whileshewashelpinghermommakedinner,itbegantorainheavily.Thestudentsweretalkingwhentheteachercamein.Whilethestudentsweretalking,theteachercamein.Lookatthetableandwritesentenceswithbothwhileandwhen.JohnMarytakephotosbuyadrinkplaythepianoleavethehousecleanhisroomturnontheradioshoptakethecartothecarwash延續(xù)性動(dòng)詞瞬間動(dòng)詞課本P36

Exercise4a.JohnwastakingphotoswhenMaryboughtadrink.Example:課本P36whilewhen②

While+過去進(jìn)行時(shí)，主句一般過去時(shí)①

When+一般過去時(shí)，主句過去進(jìn)行時(shí)WhileJohnwastakingphotos,Maryboughtadrink.JohnwasplayingthepianowhenMaryleftthehouse.課本P36WhileJohnwasplayingthepiano,Maryleftthehouse.②

While+過去進(jìn)行時(shí)，主句一般過去時(shí)①

When+一般過去時(shí)，主句過去進(jìn)行時(shí)

WhileJohnwascleaninghisroom,Maryturnedontheradio.

JohnwascleaninghisroomwhenMaryturnedontheradio.課本P36

WhileJohnwasshopping,Marytookthecartothecarwash.JohnwasshoppingwhenMarytookthecartothecarwash.課本P36KnowmoreaboutwhileandwhenWhileIwasreading

inthebedroom,mymotherwascooking.③

While+過去進(jìn)行時(shí)，主句過去進(jìn)行時(shí)強(qiáng)調(diào)兩個(gè)動(dòng)作同時(shí)進(jìn)行

④

When+一般過去時(shí)，主句一般過去時(shí)往往表達(dá)兩個(gè)動(dòng)作前后發(fā)生主從句都是延續(xù)性動(dòng)詞時(shí)，大都用_______.WhileWhile

whileandwhen本節(jié)課用法總結(jié)①

When+一般過去時(shí)，主句過去進(jìn)行時(shí)③

While+過去進(jìn)行時(shí)，主句過去進(jìn)行時(shí)

④

When+一般過去時(shí)，主句一般過去時(shí)②

While+過去進(jìn)行時(shí)，主句一般過去時(shí)At7:00a.m.,Iwokeup.________I_______makingmybreakfast,mybrother______listeningtotheradio.________Iwaseating,theradionewstalkedaboutacaraccidentnearourhome.MybrotherandIwentoutrightawaytohavealook.______wegottotheplaceoftheaccident,thecar_____inbadshapefromhittingatree.Butluckily,thedriver______fine.Theroads______icybecauseoftheheavysnowfromthenightbefore.Fillintheblankswithwas,were,whenorwhile.Practice4bWhilewaswasWhile延續(xù)性Whenwaswaswere單項(xiàng)填空。()1.Kiki_____westernmusicateightlastnight.listentoB.washearingC.heardD.waslisteningto()2.–Whatwerethestudentsdoingatthistimeyesterday?-They_____asingingshowonTV.A.arewatchingB.watchedC.waswatchingD.werewatching()3.She