初中八年级英语课件八下Unit Grammar

Unit5Whatwereyoudoingwhentherainstormcame?SectionAGrammarFocusWhatwasshedoing

atthetimeoftherainstorm?

Shewasdoingherhomework.Shewaswaitingforthebus

.Whatwereyoudoingateightlastnight?Iwas

taking

a

shower.Iwas

sleeping.Whatwereyoudoing

ateightlastnight?Iwastaking

ashower.Whatwasshedoingatthetimeoftherainstorm?Shewasdoingherhomework.GrammarFocus

主语+was/were+动词ing

过去进行时:表示过去某一时刻或某段时间内正进行的动作过去进行时1.概念:表示过去某一时刻或某段时间内正进行的动作。常见的时间有:

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

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.用所给词的正确形式填空过去进行时

2.构成:主语+was/were+动词ing

否定句：主语+was/were+not+动词ing

wasnot=wasn'twerenot=weren't一般疑问句：Was/Were+主语+动词ing？1)Shewasdoingherhomework.(肯定句）2)Shewasnotdoingherhomework.(否定句）3)Wasshedoingherhomework?一般疑问句Yes,shewas.(肯定回答）No,shewasn't(否定回答）句式转换1.Iwastakingashower.（变否定句）

I_______________ashower.2.Hewasreadinginthelibrarywhentherainstormcame.（变一般疑问句）________he______inthelibrarywhentherainstormcame.3.Benwashelpinghismommakedinner.（划线部分提问）_______________Ben_______?wasn't

taking

Was

reading

What

was

doing

4.Iwasrunningintheparkat7:00yesterdaymorning.

(改为一般疑问句并作肯定回答)—________________________intheparkat7:00yesterdaymorning?—________,________________.5.Theywereplayingbasketballfromthreetofouryesterday.

(改为否定句)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“当……的时候”，引导时间状语从句。你知道两者在过去进行时中的用法有什么不同吗？请仔细观察下面的例句，然后补全空格中的内容。过去进行时中的when和while①IwaswalkingtoschoolwhenIsawacatinatree.②WhenSallyarrivedhome,hermotherwascleaningthehouse.主句的动作是持续性的，而从句动作是短暂性的主句（was/were+doing)+when+从句（动词ed)1.someoneknockedatthedoorwhileIwassleepinginthebedroom.主句（动词ed)+while+从句（was/were+doing)2.HewascleaninghiscarwhileIwascooking.主句和从句的动作同时发生主句（was/were+doing)+while+从句（was/were+doing)while+从句（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。如:work、study、eat等。非延续性动词指动作极为短暂，瞬间结束。

如:start、begin、hit、jump、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指一个时间段,从句中必须用延续性动词。

总结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