Unit5 Grammar Focus-人教版英语八年级下册.pptx

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1、Unit 5What were you doing when the rainstorm came?Whatwereyoudoingateightlastnight?Iwastakingashower.Whatwasshedoingtherainstorm?Shewasdoingherhomework.GrammarFocusWhatwashedoingwhentherainstormcame?Hewasreadinginthelibrarywhentherainstormcame.WhatwasBendoingwhenitbegantorainheavily?Whenitbegantorai

2、nheavily,Benwashelpinghismommakedinner.WhatwasJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework.2.过去进行时过去进行时1.1.概念概念:表示过去某一时刻或某表示过去某一时刻或某段时间内段时间内正进行的动作。正进行的动作。2.构成构成:was/were+动词现在分词动词现在分词3.用法用法:a:表示某一时刻正进行的行为表示某一时刻正进行的行为,与特定的与特定的过去时间状语连用过去时间状语连用,常见的时间状语有常见的时间状语

3、有:at8lastnight,atthistime,atthattime,否定句和疑问句:否定句和疑问句:e.g.Wewerenotsleepingatthattime.Washecookingat8oclockyestersay.1.以以when和和while引导的时间状语从句引导的时间状语从句1)延续性动词和非延续性动词延续性动词和非延续性动词延续性动词延续性动词指动作可以延续一段时间指动作可以延续一段时间,而不是而不是瞬间结束。瞬间结束。如如:work、study、drink、eat等。等。非延续性动词非延续性动词指动作极为短暂,瞬间结束。指动作极为短暂,瞬间结束。如如:start、be

4、gin、hit、knock等。等。1)when可指时间点可指时间点,又可指时间段又可指时间段,从句中从句中可用可用延续性动词延续性动词,也可用也可用非延续性动词。非延续性动词。2)while总是指一个时间段总是指一个时间段,从句中从句中必须用延必须用延续性动词续性动词。4a Look at the table and writesentences with both while and when.JohnMarytakephotosbuyadrinkplaythepianoleavethehousecleanhisroomturnontheradioshoptakethecartothecar

5、washe.g.WhileJohnwastakingphotos,Maryboughtadrink.JohnwastakingphotoswhenMaryboughtadrink.WhileJohnwasplayingthepiano,Maryleftthehouse.JohnwasplayingthepianowhenMaryleftthehouse.WhileJohnwasshopping,Marytookthecartothecarwash.JohnwasshoppingwhenMarytookthecartothecarwash.WhileJohnwascleaninghisroom,

6、Maryturnedontheradio.JohnwascleaninghisroomwhenMaryturnedontheradio.1._Jenniferwasreadingamagazine,hersisterwaslisteningtothepopmusic.A.WhileB.When C.Whattime2.Iwastryingtodrawacatontheboard_theteachercamein.A.whileB.whenC.whattime3.MybestfriendvisitedmyhousewhileI_dinnerinthekitchen.A.cookedB.cooki

7、ngC.wascooking练一练1._Jenniferwasreadingamagazine,hersisterwaslisteningtothepopmusic.A.WhileB.When C.Whattime2.Iwastryingtodrawacatontheboard_theteachercamein.A.whileB.whenC.whattime3.MybestfriendvisitedmyhousewhileI_dinnerinthekitchen.A.cookedB.cookingC.wascooking练一练ABC1.His father_ the newspapers wh

8、ile his1.His father_ the newspapers while his mother_ TV.mother_ TV.A.read;watched A.read;watched B.was reading;watched B.was reading;watched C.read;was watching C.read;was watching D.was reading;was D.was reading;was watchingwatching2.-I met a friend of mine _I was walking2.-I met a friend of mine

9、_I was walking in the street.in the street.-Oh,really?Who is it?-Oh,really?Who is it?A.before B.while C.after D.if A.before B.while C.after D.if3.While she_ TV,she_ a sound outside the 3.While she_ TV,she_ a sound outside the room.room.A.was watching;was hearing A.was watching;was hearing B.watched;

10、was hearing B.watched;was hearing C.watched;heard C.watched;heard D.was watching;heardD.was watching;heard4.What book _you _ when I _you at 4 4.What book _you _ when I _you at 4 yesterday afternoon?yesterday afternoon?A.did;read;was seeing B.did;read;sawA.did;read;was seeing B.did;read;sawC.were;rea

11、ding;saw D.were;reading;was seeingC.were;reading;saw D.were;reading;was seeing4b Fill in the blanks with was,were,when or while.At7:00a.m.,Iwokeup._I_makingmybreakfast,mybrother_listeningtotheradio._Iwaseating,theradionewstalkedaboutacaraccidentnearourhome.MybrotherandIwentoutrightawaytohavealook._w

12、egottotheplaceoftheaccident,thecar_inbadshapefromhittingatree.Butluckily,thedriver_fine.Theroads_icybecauseoftheheavysnowfromthenightbefore.4b Fill in the blanks with was,were,when or while.At7:00a.m.,Iwokeup._I_makingmybreakfast,mybrother_listeningtotheradio._Iwaseating,theradionewstalkedaboutacaraccidentnearourhome.MybrotherandIwentoutrightawaytohavealook._wegottotheplaceoftheaccident,thecar_inbadshapefromhittingatree.Butluckily,thedriver_fine.Theroads_icybecauseoftheheavysnowfromthenightbefore.WhilewaswasWhileWhenwaswaswere

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