Unit5 Grammar Focus-人教版英语八年级下册

Unit5Whatwereyoudoingwhentherainstormcame?GrammarFocus八年级(下)Whatwereyoudoingateightlastnight?Iwastakingashower.Whatwasshedoing

atthetimeoftherainstorm?Shewasdoingherhomework.GrammarFocusWhatwashedoingwhentherainstormcame?Hewasreadinginthelibrarywhentherainstormcame.WhatwasBendoingwhenitbegantorainheavily?Whenitbegantorainheavily,Benwashelpinghismommakedinner.WhatwasJennydoingwhileLindawassleeping?WhileLindawassleeping,JennywashelpingMarywithherhomework.

2.过去进行时1.概念:

表示过去某一时刻或某段时间内正进行的动作。2.构成:was/were+动词现在分词3.用法:

a:表示某一时刻正进行的行为,与特定的过去时间状语连用,常见的时间状语有:at8lastnight,atthistime，atthattime,否定句和疑问句：e.g.Wewerenot

sleepingatthattime.

Was

he

cookingat8o’clockyestersay.

1.以when和while引导的时间状语从句1)延续性动词和非延续性动词

延续性动词指动作可以延续一段时间,而不是瞬间结束。

如:work、study、drink、eat等。

非延续性动词指动作极为短暂，瞬间结束。

如:start、begin、hit、knock等。

1)when可指时间点,又可指时间段,从句中可用延续性动词,也可用非延续性动词。

2)while总是指一个时间段,从句中必须用延续性动词。4aLookatthetableandwritesentenceswithbothwhile

andwhen.JohnMarytakephotosbuyadrinkplaythepianoleavethehousecleanhisroomturnontheradioshoptakethecartothecarwashe.g.

WhileJohnwastakingphotos,Marybought

adrink.JohnwastakingphotoswhenMaryboughtadrink.WhileJohnwasplayingthepiano,Maryleftthehouse.JohnwasplayingthepianowhenMaryleftthehouse.WhileJohnwasshopping,Marytookthecartothecarwash.JohnwasshoppingwhenMarytookthecartothecarwash.WhileJohnwascleaninghisroom,Maryturnedontheradio.JohnwascleaninghisroomwhenMaryturnedontheradio.1._______Jenniferwasreadingamagazine,hersisterwaslisteningtothepopmusic. A.While B.When C.Whattime2.Iwastryingtodrawacatontheboard_________theteachercamein. A.while B.whenC.whattime3.MybestfriendvisitedmyhousewhileI_______dinnerinthekitchen. A.cookedB.cookingC.wascooking练一练1._______Jenniferwasreadingamagazine,hersisterwaslisteningtothepopmusic. A.While B.When C.Whattime2.Iwastryingtodrawacatontheboard_________theteachercamein. A.while B.whenC.whattime3.MybestfriendvisitedmyhousewhileI_______dinnerinthekitchen. A.cookedB.cookingC.wascooking练一练A

B

C

1.Hisfather______thenewspaperswhilehismother_______TV.A.read;watchedB.wasreading;watchedC.read;waswatching

D.wasreading;was

watching2.--Imetafriendofmine_____Iwaswalkinginthestreet.--Oh,really?Whoisit?A.beforeB.whileC.afterD.if3.Whileshe______TV,she________asoundoutsidetheroom.A.waswatching;washearingB.watched;washearingC.watched;heardD.waswatching;heard4.Whatbook_____you______whenI____youat4yesterdayafternoon?A.did;read;wasseeingB.did;read;sawC.were;reading;sawD.were;reading;wasseeing4bFillintheblankswithwas,were,whenorwhile.At7:00a.m.,Iwokeup.

______I

____makingmybreakfast,mybrother_____listeningtotheradio._______Iwaseating,theradionewstalkedabout

acaraccidentnearourhome.MybrotherandIwentoutrightawaytohavealook.

_______wegottotheplaceoftheaccident,thecar______inbadshapefromhittingatree.Butluckily,thedriver______fine.Theroads______icybecauseoftheheavysnowfromthenightbefore.4bFillintheblankswithwas,were,whenorwhile.At7:00a.m.,Iwokeup.

______I

____makingmybreakfast,mybrother_____listeningtotheradio._______Iwaseating,theradionewstalkedabout

acaraccidentnearourhome.MybrotherandIwentoutrightawaytohavealook.

_______wegottotheplaceo