初中八年級英語課件八下Unit Grammar

Unit5Whatwereyoudoingwhentherainstormcame?SectionAGrammarFocusWhatwasshedoing

atthetimeoftherainstorm?

Shewasdoingherhomework.Shewaswaitingforthebus

.Whatwereyoudoingateightlastnight?Iwas

taking

a

shower.Iwas

sleeping.Whatwereyoudoing

ateightlastnight?Iwastaking

ashower.Whatwasshedoingatthetimeoftherainstorm?Shewasdoingherhomework.GrammarFocus

主語+was/were+動詞ing

過去進行時:表示過去某一時刻或某段時間內(nèi)正進行的動作過去進行時1.概念:表示過去某一時刻或某段時間內(nèi)正進行的動作。常見的時間有:

at8lastnight,atthistimeatthattime,atthetimeof。。。,atthatmoment,when+從句,While+從句

1.What______(be)you______(do)whenhearrived?2.Jim_____________(sleep)whenIcamein.3.They_____________(watch)TVat8:00yesterdayevening.4.Nowhe__________(read)and_________(write).

were

doing

was

sleeping

were

watching

is

reading

writingⅠ.用所給詞的正確形式填空過去進行時

2.構(gòu)成:主語+was/were+動詞ing

否定句：主語+was/were+not+動詞ing

wasnot=wasn'twerenot=weren't一般疑問句：Was/Were+主語+動詞ing？1)Shewasdoingherhomework.(肯定句）2)Shewasnotdoingherhomework.(否定句）3)Wasshedoingherhomework?一般疑問句Yes,shewas.(肯定回答）No,shewasn't(否定回答）句式轉(zhuǎn)換1.Iwastakingashower.（變否定句）

I_______________ashower.2.Hewasreadinginthelibrarywhentherainstormcame.（變一般疑問句）________he______inthelibrarywhentherainstormcame.3.Benwashelpinghismommakedinner.（劃線部分提問）_______________Ben_______?wasn't

taking

Was

reading

What

was

doing

4.Iwasrunningintheparkat7:00yesterdaymorning.

(改為一般疑問句并作肯定回答)—________________________intheparkat7:00yesterdaymorning?—________,________________.5.Theywereplayingbasketballfromthreetofouryesterday.

(改為否定句)They________________basketballfromthreetofouryesterday.YesIwas

Wereyourunningweren’tplayingWhatwashedoingwhen

therainstormcame?Hewasreadinginthelibrary

when

therainstormcame.WhatwasBendoing

whenitbegantorainheavily?When

itbegantorain,Benwashelpinghismommakedinner.WhatwasJennydoing

whileLindawassleeping?While

Lindawassleeping,JennywashelpingMarywithherhomework.

when和while都可表示“當(dāng)……的時候”，引導(dǎo)時間狀語從句。你知道兩者在過去進行時中的用法有什么不同嗎？請仔細觀察下面的例句，然后補全空格中的內(nèi)容。過去進行時中的when和while①IwaswalkingtoschoolwhenIsawacatinatree.②WhenSallyarrivedhome,hermotherwascleaningthehouse.主句的動作是持續(xù)性的，而從句動作是短暫性的主句（was/were+doing)+when+從句（動詞ed)1.someoneknockedatthedoorwhileIwassleepinginthebedroom.主句（動詞ed)+while+從句（was/were+doing)2.HewascleaninghiscarwhileIwascooking.主句和從句的動作同時發(fā)生主句（was/were+doing)+while+從句（was/were+doing)while+從句（was/were+doing)1._______weweretalkingintheclassroom,theteachercamein.2._______theygottotheairport,itwasraining.3._______shewasreadingabook,thephonerang.4._______Isawtheboy,hewaswearinganewcoat.5._______hewasreading,hefellasleep.Ⅱ.用when或while填空。While

When

While

WhenWhile

1)延續(xù)性動詞和非延續(xù)性動詞

延續(xù)性動詞指動作可以延續(xù)一段時間。如:work、study、eat等。非延續(xù)性動詞指動作極為短暫，瞬間結(jié)束。

如:start、begin、hit、jump、knock等。1)when可指時間點,又可指時間段,從句中可用延續(xù)性動詞,也可用非延續(xù)性動詞。

2)while指一個時間段,從句中必須用延續(xù)性動詞。

總結(jié)Fillintheblankswithwas,were,whenorwhile.At7:00a.m.,Iwokeup.______I____makingmybreakfast,mybrother______listeningtotheradio.________Iwaseating,theradionewstalkedaboutacaraccidentnearourhome.MybrotherandIwentoutrightawaytohavealook._____wegottotheplaceoftheaccident,thecar_____inbadshapefromhittingatree.Butluckilythedriver____fine.Theroads______icybecauseoftheheavysnowfromthenightbefore.WhilewaswasWhileWhenwaswaswere4bTimeNamesdoingYesterday7:00TomreadingPetershoppingYesterday8:00LindawalkingMaryshoppingYesterday9:00GracedoinghomeworkA:WhatwasTomdoingat7:00yesterday?B:Tomwasreadingat7:00yesterdayReport:Tomwasreading

at7:00yesterdayTimeNamesdoingYesterday7:00TomreadingPetershoppingYesterday8:00LindawalkingMaryshoppingYesterday9:00GracedoinghomeworkReport:Tomwasreading

at7:00yesterday.

Peterwasshopping

at7:00yesterday.

Lindawaswalking

at8:00y