一般过去式ppt课件

一般过去式,1,例句Whatdidyoudoyesterday?昨天你干了什么？ImetLinTaothismorning.今天上午我会到了林涛。Iwasthereamomentago.刚才我在那儿,2,标志词yesterday昨天(yesterday+时间/last+时间)ago.之前before在.之前thedaybeforeyesterday前天justnow刚才in+时间（in1990）.,3,动词的一般过去时变化规律：一般情况直接在词尾加+ed，如：cook-cookedwash-washed以不发音的e结尾的动词，在词尾+d如：like-likedlive-lived以重读闭音节结尾的动词，双写最后一个字母再在词尾+ed如：stop-stoppedshop-shoppedplan-planned计划以辅音字母+y结尾的动词，要改y为i再加ed如：study-studiedcarry-carried运送，搬运,4,二、用法说明1.表示在过去某个时间所发生的动作或所处的状态。常与yesterday,lastweek,in1989,justnow,amomentago,theotherday等连用。如：Hewasherejustnow.他刚才还在这里。Whatdidyoudoyesterday?你昨天做了什么事？2.在过去一段时间内的经常性或习惯性动作。如：Weoftenplayedtogetherwhenwewerechildren.我们小时候常在一起玩。注：表示过去经常发生的动作还可用usedto和would。如：Heusedtosmokealot,buthedoesntnow.他过去经常抽烟，但现在不抽了。Wheneverwewereintrouble,hewouldhelpus.每当我们遇到困难，他都会帮助我们。,5,3.表示主语过去的特征或性格。如：AtthattimeshewasverygoodatEnglish.那时她英语学得很好。4.用在状语从句中表示过去将来。如：Hesaidhewouldwaituntiltheycameback.5.一般过去时有时可以表示现在，多与want,hope,wonder,think,intend等动词连用，使语气更委婉。如：Iwonderedifyoucouldhelpme.不知你能不能帮我一下。,6,一般过去时对谓语动词的要求一般过去时的谓语动词要用动词的过去式。动词过去式的构成分规则变化和不规则变化两种形式，不规则变化通常需要逐个记忆，规则变化则遵循以下原则：(1)一般在动词后加-ed。如：playplayed,offeroffered,weighweighed,destroydestroyed,signsigned.(2)在以字母e结尾的动词后，只加-d。如：likeliked,provideprovided,hatehated,datedated。(3)在以“辅音字母+y”结尾的动词后，则改y为i，再加ed。如：supplysupplied,flyflied,studystudied.(4)在以单短元音的重读闭音节结尾且，末尾只有一个辅音字母的动词后，双写最后一个辅音字母，再加-ed。如：planplanned,referreferred,regretregretted,banbanned.,7,练习题一、单项选择：从下列各题后所给的四个选项中选择最佳答案填空。()1MyfatherillyesterdayAisntBarentCwasntDwerent()2yourparentsathomelastweekAIsBWasCAreDWere()3ThetwinsinDalianlastyearTheyherenowAare;wereBwere;areCwas;areDwere;was()4yourfatheratworkthedayyesterday(前天）AWas;beforeBIs;beforeCWas;afterDIs;after,8,二、请用正确动词形式填空。1.I_(have)anexcitingpartylastweekend.2.-_she_(practice)herguitaryesterday?-No,she_.3.-What_Tom_(do)onSaturdayevening?-He_(watch)TVand_(read)aninterestingbook.4.Theyall_(go)tothemountainsyesterdaymorning.5.She_(notvisit)herauntlastweekend.She_(stay)athomeand_(do)somecleaning.,9,三、翻译下列句子1.我过了一个忙碌但却刺激的周末。I_had_excitingweekend.2.Jenny喜欢看书。昨晚她看了一本英语书。Jennylikes_.She_anEnglishbooklastnight.3.上周六他们做什么了？他们做作业和购物了。What_they_Saturday?They_homeworkand_.,10,1、Lucydidherhomeworkathome.（改否定句）Lucy_herhomeworkathome.2、Hefoundsomemeatinthefridge（冰箱）.（变一般疑问句)_he_meatinthefridge?3、Therewassomeorangeinthecup.（变一般疑问句)_there_orangeinthecup?4.Frankreadaninterestingbookabouthistory.（一般疑问句）_Frank_aninterestingbookabouthistory?5.Whynotgooutforawalk?（同义句）_outforawalk?,11,句型变化1.否定句：a主语didnt动词原形宾语。(did+not=didnt)Hedidntdomorningexercisesyesterday.b主语wasnt/werent表语。(was+not=wasnt,were+not=werent)HewasntanEnglishteachertenyearsago.,12,2.一般疑问句：aDid主语动词原形宾语？DidyoustudyEnglishin1990?bWas/Were+主语表语？Washeapupilfivey