过去进行时讲解 (2)ppt课件.ppt

过去进行时,1,过去进行时：Iwaswalkingdownthestreetwhenitbegantorain.,2,Iwaswalkingdownthestreetwhenitbegantorain.Iwasnotwalkingdownthestreetwhenitbegantorain.Wereyouwalkingdownthestreetwhenitbegantorain?,3,1关键词：was/weredoing2、句子结构：肯定句：主语+was/were+现在分词+其他否定句：主语+wasnot/werenot+现在分词+其他疑问句：was/were+主语+现在分词+其他,4,肯定句：主语+was/were+(doing)+其他.Iwasplayingbasketballat6:30yesterday.Hewasplayingthepianoatthatmoment.Theyweredoinghomeworkat8:00lastnight,5,(2)否定句：主语+was/were+not+（doing）+其他,Iwasntplayingbasketballat6:30yesterday.Hewasntplayingthepianoatthatmoment.Theywerentdoinghomeworkat8:00lastnight.,6,一般疑问句：Was/Were+主语+(doing)+其他,Wereyouplayingbasketballat6:30yesterday?-Yes,Iwas./No,Iwasnt.Washeplayingthepianoatthatmoment?-Yes,hewas./No,hewasnt.,7,特殊疑问句：特殊疑问词+一般疑问句,Whatwereyoudoingat8:00pmyesterday?Wherewasheworkingatthattime?,8,3、标志性词语（1）atthattime.atthatmoment.yesterdayevening（2）以when引导的谓语动词是一般过去时的时间状语,9,II:用法,1.表示过去某一时刻正在进行的动作。今天下午5点的时候，他在打篮球。Hewasplayingbasketballat5thisafternoon.当我进去的时候，她正在写一篇作文。ShewaswritingacompositionwhenIentered.,10,2.表示过去一段时间内持续进行的动作。昨天夜里下了一夜的雪。Itwassnowinglastnight.比较：Itwassaidthatshewaswritinganovellastyear.Itwassaidthatshewroteanovellastyear.,据说，她去年一直在写一本小说。,0,据说，她去年写了一本小说。,11,3.常用于介绍故事的背景。（一）OnceanJackwastravelinginthedesert.（二）描述一件事发生的背景；一个长动作发生的时候，另一个短动作发生（长动作用过去进行时，短动作用一般过去时）。也可以表示两个动作同时发生，此时均用过去进行时WhenIsawhimhewascleaninghisroom.Whilehewaswaitingforthebus,hewasreadinganewspaper.HewascleaninghiscarwhileIwascooking.,12,4.When/While“当的时候”的区别,when既指时间点，也可指段时间，while只指段时间，因此when引导的时间状语从句中的动词可以是短暂性动词，也可以是延续性动词，而while从句中的动词必须是延续性动词。Iwaslisteningtothemusicwhenshecamehere.Iwaslisteningtothemusicwhileshecamehere.,13,when说明从句的动作和主句的动作可以是同时，也可以是先后发生；while则强调主从句动作同时发生。Theyweresingingwhileweweredancing.,14,when和while还可作并列连词。when表示“在那时”；while表示“而，却”，表对照关系。如：a.Thechildrenwereplayingwhentheyheardthesoundofamotorbike.b.Heisstrongwhilehisbrotherisweak.,15,5.通常不能用于过去进行时的动词主要有：agree,be,believe,belong,care,forget,hate,have(拥有),hear,know,like,love,mean,mind,notice,own,remember,seem,suppose,understand,want,wish等。例如：Iwasknowingtheanswer.Iknewtheanswer.Iwasntunderstandinghim.Ididntunderstandhim.,16,一般过去时,17,1.一般过去时表示一个动作或情况在过去某个的时间开始和结束.Iwalkedtoschoolyesterday.Iboughtanewcarthreedaysago.,now,walked,bought,18,2.表示过去经常性的动作或情况。Ioftengotupat6:00lastyear.,19,英语动词的四种形式：1、原形learn2、过去形式learned3、过去分词learned4、现在分词learning,20,动词的一般过去形式：listenlistened2.study-studied3.stop-e-came,21,二、一般过去时态的构成,Be动词:(1)肯定句:主语+be动词的过去式（was,were）+(2)否定句：主语+be动词的过去式（was,were）+not(3)疑问句：be动词的过去式（was,were）+主语？实意动词：(1)肯定句：主语+动词过去式+其他(2)否定句：主语+didnot+动词原形+其他(3)一般疑问句：Did+主语+动词原形+其他,22,Forexample,Shewasateacherfiveyearsago.Shewasnotherelastmonth.Wasshetherelastnight?Iwalkedtoschoolyesterday.Ididntwalktoschoolyesterday.Didyouwalktoschoolyesterday?,23,三、标志性词语,(1)yesterday,thedaybeforeyesterday,yesterdaymorning(evening,afternoon)(2)lasttimelastterm,lastFriday,lastmonth(3)2hoursago,aweekago,3yearsago(4)justnow=amomentago(5)in1989(6)attheageof5,oneday,longlongago,onceuponatime(7)inthepast,24,用一般过去时或过去进行时填空。1.Idontwanttogotothezootodaybecauseitisraining.Thesamethinghappenedyesterday.I(want,not)_togotothezoobecauseit(rain)_.,didntwant,wasraining,25,2.I(call)_Rogeratninelastnight,buthe(be,not)_athome.He(study)_atthelibrary.,called;wasnot;wasstudying,26,3.I(hear,not)_thethunderduringthestormlastnightbecauseI(sleep)_.,didnthear;wassleeping,27,4.Mybrotherandsister(argue)_aboutsomethingwhenI(walk)_intotheroom.,werearguing;walked,28,6.WhileMrs.Emerson(read)_thelittleboyastory,he(fall)_asleep,soshe(close)_thebookandquietly(tiptoe)_outoftheroom.,wasreading,fell,closed,tiptoed,29,Writingpractice:假设你目击一起交通事故。警察局让你写一份材料，报告当时所见情况。根据下列图画写出几个句子来描述当时的情景。,30,7.-Nancyisnotcomingtonight.-Butshe_!A.promisesB.promisedC.willpromiseD.hadpromised,链接高考：,31,8.Shirley_abookaboutChinalastyearbutIdontknowwhethershehasfinishedit.A.haswrittenB.wroteC.hadwrittenD.waswriting,32,9.IfirstmetLisathreeyearsago.She_ataradioshopatthetime.A.hasworkedB.wasworkingC.hadbeenworkingD.hadworked,33,10.IdontthinkJimsawme;he_intospace.A.juststaredB.wasjuststaringC.hasjuststaredD.hadjuststared,34,11.Asshe_thenewspaper,Granny_asleep.A.read;wasfallingB.wasreading;fellC.wasreading;wasfallingD.read;fell,35,12.-Youphonenumberagain?I_quitecatchit.-Its9568442.A.didntB.couldntC.dontD.cant,36,13.-Wecouldhavewalkedtothestation,itwassonear.-Yes,ataxi_atallnecessary.A.wasntB.hadntbeenC.wouldntbeD.wontbe,37,14.Tom_intothehousewhennoone_.A.slipped,waslookingB.hadslipped,lookedC.slipped,hadlookedD.wasslipped,looked,38,15.ThereportersaidtheUFO_edwastravelingC.hadbeentravelingD.wastotravel,39,16.-Hey,lookwhereyouaregoing!-Oh,Imterriblysorry._.ImnotnoticingIwasntnoticingIhaventnoticeIdontnotice,40,17.Whatanicebike!Where_you_it?do;buyB.have;boughtC.did;buyD.will;buy,41,18.Thestudents_busilywhenMissBrownwenttogetabookshe_intheoffice.hadwritten;leftwerewriting;haslefthadwritten;hadleftwerewriting;hadleft,42,19.Mary_adresswhenshecutherfinger.madeB.ismakingC.wasmakingD.makes,43,20.ThelasttimeI_Janeshe_cottoninthefields.hadseen;waspickingsaw;pickedhadseen;pickedsaw;waspicking,44,过去进行时与一般过去时比较,相同点：都强调过去发生的事不同点：进行时强调过程，不一定完成过去时强调事件，一定完成过去进行时与一般过去时，两者都表示过去发生的动作,但过去进行时表示在过去某一特定的时间点或时间段正在进行的动作,而一般过去时表示在过去时间完成的动作例如:Iwastypingaletterla