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1、Whatweretheydoingwhenitbegantorain?Theywereplayingcomputergameswhenitbegantorain.Theywereplayingchesswhenitbegantorain.Theywereplayingfootballwhenitbegantorain.WhileJakewassleeping,whatdidhisbrotherdo?Heplayedbasketball.WhenJakewassleeping,hisbrotherplayedbasketball.Whiletheyweredancing,thetelephone
2、rang.Whenthetelephonerang,theyweredancing.Whiletheyweredancing,whathappened?Hewassingingwhenthebabystartedtocry.Whilehewassinging,thebabystartedtocry.Whilehewaswalking,ataxicame.Hewaswalkingwhenataxicame.BothofthemmeanAretheythesame?No!whenwhen引导的时间状语从句可以表示一个时间点引导的时间状语从句可以表示一个时间点,也可以表示一个时也可以表示一个时间段。
3、从句中可以用短暂性动词,也可以用延续性动词。间段。从句中可以用短暂性动词,也可以用延续性动词。lItwassnowingwhenwegottotheairport.我们到达机场时,我们到达机场时,天正下着雪。天正下着雪。lMykeydroppedonthegroundwhenIwaswalkinginthepark.我在公园散步时,我在公园散步时,钥匙掉在了地上。钥匙掉在了地上。whenandwhile “当当的时候的时候”while引导的时间状语从句常指一个时间段,从句中的动词引导的时间状语从句常指一个时间段,从句中的动词常为常为延续性延续性的。的。while有时还可表示主句的动作与从句的动
4、有时还可表示主句的动作与从句的动作同时发生。作同时发生。lWhilehewasreading,thephonerang.他正在看书时,电话铃响了。他正在看书时,电话铃响了。lSomestudentswerereadingwhileotherswerewriting.一些学生在读书,另一些学生在写字。一些学生在读书,另一些学生在写字。while1)若从句是一个若从句是一个短暂性动作短暂性动作,主句是一个,主句是一个持续性动作持续性动作,可用,可用when但不用但不用while:Itwasraininghardwhenwearrived.我们到达时正下着大雨。我们到达时正下着大雨。2)表示主、从句
5、正在进行的动作或状态的对比时多用表示主、从句正在进行的动作或状态的对比时多用while:Whileshewasmakingaphonecall,Iwaswritingaletter.when 和和 while 的区别的区别3)when可用作并列连词,表示可用作并列连词,表示“这时这时(突然突然)”,但,但while不可以;不可以;while可以用作并列连词,表示可以用作并列连词,表示“而、却而、却”(表示对比表示对比),但,但when没没有这种用法。有这种用法。Wewereabouttostartwhenitbegantorain.Helikescoffee,whileshelikestea.
6、1.I_(watch)TVwhenshe_(call).2.Whenthephone_(ring),she_(write)aletter.3.Whilewe_(have)apicnic,it_(start)torain.4.WhileJohn_(sleep)lastnight,someone_(steal)hiscar.waswatchingcalledrangwaswritingwerehavingstartedwassleepingstole5.Whilewe_(wait)forthebus,agirl_(run)uptous.6.I_(telephone)afriendwhenBob_(
7、come)in.7.Whilemother_(make)thebed,thedoorbell_(ring).8.We_(test)thenewmachinewhentheelectricity_(go)off.werewaitingwasrunningwasphoningcameweretestingwentwasmakingrangTranslation1.当开始下雨的当开始下雨的时时候,我正和朋友候,我正和朋友们们在操在操场场上打上打篮篮球。球。Iwasplayingbasketballwithmyfriendsintheplaygroundwhenitstartedtorain.2.我当
8、时甚至不知道我正在做什么。我当时甚至不知道我正在做什么。IdidnotevenknowwhatIwasdoingatthattime.3.当我当我妈妈妈妈在做晚在做晚饭饭的的时时候,我在卧室做作候,我在卧室做作业业。Iwasdoingmyhomeworkinthebedroomwhilemymotherwascookingsupper.4.当我今天早上看到她当我今天早上看到她时时,她正急匆匆地赶去上班。,她正急匆匆地赶去上班。WhenIsawherthismorning,shewasinagreathurrytogotowork.4aLookatthetableandwritesentence
9、swithbothwhileandwhen.WhileJohnwastakingphotos,Maryboughtadrink.JohnwastakingphotoswhenMaryboughtadrink.WhileJohnwasplayingthepiano,Maryleftthehouse.JohnwasplayingthepianowhenMaryleftthehouse.WhileJohnwascleaninghisroom,Maryturnedontheradio.JohnwascleaninghisroomwhenMaryturnedontheradio.WhileJohnwas
10、shopping,Marytookthecartothecarwash.JohnwasshoppingwhenMarytookthecartothecarwash.4bFillintheblankswithwas,were,when orwhile.At7:00a.m.,Iwokeup._I_makingmybreakfast,mybrother_listeningtotheradio._Iwaseating,theradionewstalkedaboutacaraccidentnearourhome.MybrotherandIwentoutrightawaytohavealook._wego
11、ttotheplaceoftheaccident,thecar_inbadshapefromhittingatree.whilewaswasWhileWhenwasButluckily,thedriver_fine.Theroads_icybecauseoftheheavysnowfromthenightbefore.waswereWhatwereyoudoingat9oclocklastnight?Iwasdoingsomehousework.Iwashavingdinner.Whatwereyoudoingbetween7oclockand9oclockyesterday?Iwasdoin
12、gmyhomework.IwaswatchingTV.WhatwasTomdoingatthattimelastSunday?Tomwasplayingthepiano.Bobwasridingabike.HowaboutDavid?Whatweretheydoingatthattimelastweek?Theywereshopping.Howaboutthem?Theywerehavingapicnic.(过去进行时过去进行时)过去进行时表示过去某一时刻或某段时间正在进行的动过去进行时表示过去某一时刻或某段时间正在进行的动作。过去进行时由作。过去进行时由“was/were+动词动词-ing形
13、式形式”构成。构成。1.过去进行时的各种句式过去进行时的各种句式:肯定句肯定句:主语主语+was/were+动词动词-ing形式形式否定句否定句:主语主语+was/were+not+动词动词-ing形式形式Iwasreadingatthistimeyesterday.昨天这个时候我正在看书。昨天这个时候我正在看书。Iwasntreadingatthistimeyesterday.昨天这个时候我没在看书。昨天这个时候我没在看书。疑问句疑问句:(1)一般疑问句一般疑问句:was/were+主语主语+动词动词-ing形式。肯定回形式。肯定回答答:Yes,主语主语+was/were.否定回答否定回答:
14、No,主语主语+wasnt/werent.如:如:Wereyoureadingatthistimeyesterday?昨天这个时候你在看书吗?昨天这个时候你在看书吗?Yes,Iwas./No,Iwasnt.是的,我在看。是的,我在看。/不,我没在看。不,我没在看。(2)特殊疑问句:疑问词特殊疑问句:疑问词+was/were+主语主语+动词动词-ing形式。形式。如:如:Whatwereyoudoingatthistimeyesterday?昨天这个时候你在做什么?昨天这个时候你在做什么?WhatwasheresearchingalldaylastSunday?上周日他一整天都在研究什么?上周日
15、他一整天都在研究什么?(1)表示过去某一时刻或某一段时间内正在进行的动作,常表示过去某一时刻或某一段时间内正在进行的动作,常与时间状语与时间状语atthattime,atthatmoment,atthistimeyesterday,attenoclockyesterday等连用。如:等连用。如:2.过去进行时的基本用法过去进行时的基本用法:Wereyouplayingbasketballatfouryesterdayafternoon?昨天下午四点你们在打篮球吗昨天下午四点你们在打篮球吗?(2)表示在过去一段时间内持续进行的动作表示在过去一段时间内持续进行的动作(有时也可以有间歇有时也可以有间
16、歇)。如:。如:WewerewatchingTVfromseventoninelastnight.昨天晚上七点到九点的时候我们在看电视。昨天晚上七点到九点的时候我们在看电视。Shewassingingfrom7:00to7:30lastnight.她昨晚七点至七点半在唱歌。她昨晚七点至七点半在唱歌。特殊用法特殊用法(1)常用于介绍故事的背景。如常用于介绍故事的背景。如:(2)when引导的从句表示一个短暂的时间点,谓语动词用一引导的从句表示一个短暂的时间点,谓语动词用一般过去时,主句用一般过去时或过去进行时;般过去时,主句用一般过去时或过去进行时;while引导的从引导的从句表示一段持续的时间
17、,主句为一般过去时,从句谓语动词句表示一段持续的时间,主句为一般过去时,从句谓语动词用过去进行时。如:用过去进行时。如:OnceanArabwastravelinginthedesert.从前,有个阿拉伯人在沙漠中旅行。从前,有个阿拉伯人在沙漠中旅行。(3)过去进行时常与过去进行时常与always,continually等连用等连用,表示过去反复表示过去反复发生的行为动作,带有赞美、厌烦等感情色彩。如:发生的行为动作,带有赞美、厌烦等感情色彩。如:Iwaswritingaletterwhenhecamein.当他进来时,我正在写信。当他进来时,我正在写信。Thetelephonerangwhi
18、leshewaswashing.当她正在洗衣服时,电话响了。当她正在洗衣服时,电话响了。Hewascontinuallyaskingherquestions.他一直在问她问题。他一直在问她问题。一般过去时与过去进行时的动作都是发生在过去。一般过去时与过去进行时的动作都是发生在过去。一般过去时强调动作的发生或状态的存在在过去;一般过去时强调动作的发生或状态的存在在过去;而过去进行时强调动作正在进行的延续性,其结构而过去进行时强调动作正在进行的延续性,其结构:was/were+v.-ing过去进行时与一般过去时的区别过去进行时与一般过去时的区别Igotupatfivethedaybeforeyes
19、terday.前天我是五点起床的。前天我是五点起床的。Hewaspaintingthelabthewholeday.他一整天都在粉刷实验室。他一整天都在粉刷实验室。过去进行时的时间状语有过去进行时的时间状语有:atthis/thattimeyesterday,thewholeevening,alldayyesterday等。等。试比较试比较:HeintroducedTomtousjustnow.刚才他向我们介绍了汤姆。刚才他向我们介绍了汤姆。Shewasdoingsomewashingalldayyesterday.昨天她一整天都在洗衣服。昨天她一整天都在洗衣服。一般过去时的时间状语主要有:一
20、般过去时的时间状语主要有:yesterday(morning,afternoon,evening),lastnight(week,month,year),ago,thedaybeforeyesterday,in2003,justnow,long,longago等等Underline the correct form of the verbs.1.Suddenly,allthelightsinmyhousewere going off/went off.Therewasheavyrainoutside.2.-Icalledyouupatsevenlastnight,butnobodyanswer
21、edit.-Really?Imsorry,butIwas teaching/taughtapianolessonatschool.3.-Iwas seeing/sawyouandTominthelibraryjustnow.-Oh,weshowed/were showingseveralvisitorsaroundtheschool.4cWhatwereyoudoingatthesetimeslastSunday?Fillinthechart.Thenaskyourpartner.YouYour partner9:00 a.m.11:30 a.m.4:00 p.m.9:00 p.m.用所给词的
22、适当形式填空用所给词的适当形式填空1.I_(help)mymotherwithhouseworkattenoclocklastSunday.2.Thegirl_(have)apianolessonatthistimeyesterday.washelpingwashaving3.They_(talk)aboutthefilmwhentheteachercamein.4.Whilehe_(wait)forthebus,hereadanewspaper.5.Hesaidhewas_(leave)forShanghaisoon.weretalkingwaswaitingleaving.句型转换句型转换
23、1.Katewasdrawingpictureswhenhermothercameback.(改为(改为否定句)否定句)Kate_pictureswhenhermothercameback.2.Shewasbabysittinghersisteratthistimeyesterday.(改为一般(改为一般疑问句)疑问句)_she_hersisteratthistimeyesterday?wasntdrawingWasbabysitting3.TheywerehavingapartywhenIknockedatthedoor.(就划线部(就划线部分提问)分提问)_they_whenyouknoc
24、kedatthedoor?Whatweredoing.用用when或或while填空填空1.Whatwereyoudoing_theearthquakehappened?2._Iwasshoppinginthesupermarket,ImetmyfriendNancy.whenWhile3.Iwassleeping_mycousincametoseeme.4.Mymotherwasdoingthehousework_Iwasdoingmyhomework.5._thealienwasintheshop,thegirlcalledthepolice.whenwhileWhile一、用括号内所给动
25、词的适当形式填空。一、用括号内所给动词的适当形式填空。1When I got home yesterday afternoon,it _(rain)hard.2Tom_(write)hislessonswhenheheardaterriblenoiseoutside.3I_(read)anovellastnightwhenIheardknocksatthedoor.4Whydidthepolicemanstopyourcar?I_(make)acallatthatmoment.Whatabadday!5Weweretalkingabouttheschoolbuswhentheteacher_(
26、come)intotheclassroom.was rainingwas writingwas readingwas makingcame二、单项选择。二、单项选择。6(上上海海中中考考)Someexchangestudents_withtheirhostfamiliesthistimeyesterday.AarechattingBwillchatCwerechattingDhavechatted7(盐盐城城中中考考)Mybrother_theIndianfilmDangalwhenIphonedhimyesterday.AwatchesBhaswatchedCiswatchingDwaswa
27、tchingCD8Icalledyouat8:30lastnight,butyoudidntpickup.Oh,I_“Huanlesong”athomeatthattime.AwatchedBamwatchingCwaswatchingDwatch9IsawMr.Smithintheofficeattenyesterdaymorning.Thatsimpossible.He_anEnglishpartywithusthen.AhasBhadCwashavingDhashadCC10DidyouwatchthefootballmatchonTVlastnight?Iwantedto,butmyf
28、ather_hisfavoriteTVprogram.AwatchedBwatchesCwaswatchingDhadwatchedC三、按要求完成下列句子。三、按要求完成下列句子。11ShewasdoingherhomeworkatsixlastFriday.(对对画画线线部部分分提提问问)_wasshe_atsixlastFriday?12Kellyplayedthepianolastnight.(用用atthattime代代替替lastnight改改写句子写句子)Kelly_thepianoatthattime.Whatdoingwas playing13IwasmakingdinneratfivelastSaturdayafternoon.(改改为为一一般般疑疑问问句并作否定回答句并作否定回答)_dinneratfivelastSaturdayafternoon?_,_14Myfatherwassweepingthefloor.Atthesametime,mymotherwasfoldingtheclothes.(合并合并为为一句一句)Myfatherwassweepingthefloor_mymotherwasfoldingtheclothes.Were you makingNoI wasntwhile