《一般過去式》PPT課件.ppt

一般過去式,例句Whatdidyoudoyesterday?昨天你干了什么？ImetLinTaothismorning.今天上午我會(huì)到了林濤。Iwasthereamomentago.剛才我在那兒,標(biāo)志詞yesterday昨天(yesterday+時(shí)間/last+時(shí)間)ago.之前before在.之前thedaybeforeyesterday前天justnow剛才in+時(shí)間（in1990）.,動(dòng)詞的一般過去時(shí)變化規(guī)律：一般情況直接在詞尾加+ed，如：cook-cookedwash-washed以不發(fā)音的e結(jié)尾的動(dòng)詞，在詞尾+d如：like-likedlive-lived以重讀閉音節(jié)結(jié)尾的動(dòng)詞，雙寫最后一個(gè)字母再在詞尾+ed如：stop-stoppedshop-shoppedplan-planned計(jì)劃以輔音字母+y結(jié)尾的動(dòng)詞，要改y為i再加ed如：study-studiedcarry-carried運(yùn)送，搬運(yùn),二、用法說明1.表示在過去某個(gè)時(shí)間所發(fā)生的動(dòng)作或所處的狀態(tài)。常與yesterday,lastweek,in1989,justnow,amomentago,theotherday等連用。如：Hewasherejustnow.他剛才還在這里。Whatdidyoudoyesterday?你昨天做了什么事？2.在過去一段時(shí)間內(nèi)的經(jīng)常性或習(xí)慣性動(dòng)作。如：Weoftenplayedtogetherwhenwewerechildren.我們小時(shí)候常在一起玩。注：表示過去經(jīng)常發(fā)生的動(dòng)作還可用usedto和would。如：Heusedtosmokealot,buthedoesntnow.他過去經(jīng)常抽煙，但現(xiàn)在不抽了。Wheneverwewereintrouble,hewouldhelpus.每當(dāng)我們遇到困難，他都會(huì)幫助我們。,3.表示主語過去的特征或性格。如：AtthattimeshewasverygoodatEnglish.那時(shí)她英語學(xué)得很好。4.用在狀語從句中表示過去將來。如：Hesaidhewouldwaituntiltheycameback.5.一般過去時(shí)有時(shí)可以表示現(xiàn)在，多與want,hope,wonder,think,intend等動(dòng)詞連用，使語氣更委婉。如：Iwonderedifyoucouldhelpme.不知你能不能幫我一下。,一般過去時(shí)對(duì)謂語動(dòng)詞的要求一般過去時(shí)的謂語動(dòng)詞要用動(dòng)詞的過去式。動(dòng)詞過去式的構(gòu)成分規(guī)則變化和不規(guī)則變化兩種形式，不規(guī)則變化通常需要逐個(gè)記憶，規(guī)則變化則遵循以下原則：(1)一般在動(dòng)詞后加-ed。如：playplayed,offeroffered,weighweighed,destroydestroyed,signsigned.(2)在以字母e結(jié)尾的動(dòng)詞后，只加-d。如：likeliked,provideprovided,hatehated,datedated。(3)在以“輔音字母+y”結(jié)尾的動(dòng)詞后，則改y為i，再加ed。如：supplysupplied,flyflied,studystudied.(4)在以單短元音的重讀閉音節(jié)結(jié)尾且，末尾只有一個(gè)輔音字母的動(dòng)詞后，雙寫最后一個(gè)輔音字母，再加-ed。如：planplanned,referreferred,regretregretted,banbanned.,練習(xí)題一、單項(xiàng)選擇：從下列各題后所給的四個(gè)選項(xiàng)中選擇最佳答案填空。()1MyfatherillyesterdayAisntBarentCwasntDwerent()2yourparentsathomelastweekAIsBWasCAreDWere()3ThetwinsinDalianlastyearTheyherenowAare;wereBwere;areCwas;areDwere;was()4yourfatheratworkthedayyesterday(前天）AWas;beforeBIs;beforeCWas;afterDIs;after,二、請(qǐng)用正確動(dòng)詞形式填空。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.,三、翻譯下列句子1.我過了一個(gè)忙碌但卻刺激的周末。I_had_excitingweekend.2.Jenny喜歡看書。昨晚她看了一本英語書。Jennylikes_.She_anEnglishbooklastnight.3.上周六他們做什么了？他們做作業(yè)和購物了。What_they_Saturday?They_homeworkand_.,1、Lucydidherhomeworkathome.（改否定句）Lucy_herhomeworkathome.2、Hefoundsomemeatinthefridge（冰箱）.（變一般疑問句)_he_meatinthefridge?3、Therewassomeorangeinthecup.（變一般疑問句)_there_orangeinthecup?4.Frankreadaninterestingbookabouthistory.（一般疑問句）_Frank_aninterestingbookabouthistory?5.Whynotgooutforawalk?（同義句）_outforawalk?,句型變化1.否定句：a主語didnt動(dòng)詞原形賓語。(did+not=didnt)Hedidntdomorningexercisesyesterday.b主語wasnt/werent表語。(was+not=wasnt,were+not=werent)HewasntanEnglishteachertenyearsago.,2.一般疑問句：aDid主語動(dòng)詞原形賓語？DidyoustudyEnglishin1990?bWas/Were+主語表語？Washeapupilfiveyearsago?,特殊疑問句：a特殊疑問詞did+主語動(dòng)詞原形賓語？Wheredidyourparentslivefiveyearsago？WhatdidyoudolastSunday？b特殊疑問詞were/was表語？Whowasatthezooyesterday?,