一般过去时课件()00921.pptx
Learning Aims1.掌握一般过去时的意义，用法，构成及其用于一般过去时的时间状语。2.能够写出部分不规则动词的过去式。3.掌握一般过去时的句式变换，一般疑问句，否定句，特殊疑问句。第1页/共29页什么是一般过去时？什么是一般过去时？意义：动词的一般过去时态表示意义：动词的一般过去时态表示过去某个时间发生的动作过去某个时间发生的动作或存在的状态或存在的状态。第2页/共29页I _ 12 years old this year.我去年11岁.I _ 11 years old last year.He _ in Beijing now.他昨天在上海。He _ in Shanghai yesterday.他现在在北京。Please look at the sentences我今年12岁.amwasiswas第3页/共29页They _ in China today.他们今天在中国。They _ in Japan yesterday.他们昨天在日本。areweream/iswasarewere第4页/共29页每天，早餐我吃鸡蛋和牛奶。I _ eggs and milk for breakfast every morning.昨天，早餐我吃面条。I _ noodles for breakfast yesterday morning.他每天都吃水果。He _ fruit every day.昨天他吃了3个苹果。He _ 3 apples yesterday.have/hashadhavehashadhad第5页/共29页I get up at 6:30 every morning.I _ up at 9:00 last Sunday.He plays football every afternoon.He _ basketball yesterday afternoon.He does his homework every evening.He _ some reading last night.动词原形、第三人称单数动词原形、第三人称单数动词过去式动词过去式gotplayeddid第6页/共29页谓语构成谓语构成1.动词动词 be2.动词动词 have,has3.助动词助动词do,does4.行为动词用过去式行为动词用过去式was,werehaddid一般过去时以动词的过去式来表示，没有人称和数的变化.(was,were除外)I went to school yesterday.They went to school yesterday.第7页/共29页一般过去时的谓语构成：由动词的过去式构成规则变化规则变化1.一般加一般加ed2.以e结尾加d3.末尾只有一个辅音字母的重读闭音节词，先双写这个辅音字母，再加ed.work workedchange changedshop shoppedstop stoppedmove movednod第8页/共29页4.以辅音字母加y 结尾的词,先改 y为 i,再加edstudy studied5.不规则变化.(见不规则动词表P102)carrycarriedhurrymarry第9页/共29页规则动词过去式规则动词过去式-ed的发音的发音1.在以清辅音结尾的规则动词后,-ed读作/t/work/w3:k/edt/2.在以浊辅音或元音结尾的规则动词后,-ed读作/d/play/pleI/live/lIv/edd/edd/第10页/共29页3.在以/t/或/d/结尾的规则动词后,-ed读作/Id/visit/vIzIt/edId/finished enjoyedshoutedmoved helped wantedcalled needed/t/d/Id/d/d/t/Id/Id/Lets read them第11页/共29页1.与与ago 连用：连用：a momenttwo minutesthree hoursfive daysone weeksix monthsfour yearsago用于一般过去时的时间状语用于一般过去时的时间状语long long ago第12页/共29页lasttimenightweekmonthtermMondayyesterdaymorningafternooneveningthe day before yesterday 2.与与last 连用连用3.与与yesterday 连用：连用：第13页/共29页4.与与that 连用：连用：thatmorningwinterdayyear第14页/共29页just nowin the old daysin those daysin 1980at that timeonce upon a time5.其他时间状语：其他时间状语：第15页/共29页1.肯定句：主语+行为动词过去式 be动词过去式(was/were)e.g.We played football yesterday.I was in the office last night.He couldnt swim 10 years ago.2.否定句 did not/didnt+行为动词原形 was not/wasnt+其他成分 were not/werent+其他成分 e.g.I was not in the office last night.I didnt sing a song at Kangkangs party.I didnt play video games.第16页/共29页3.一般疑问句did+主语+行为动词原形was/were+主语+其他成分eg.-Didyougoshoppingyesterday?-Yes,Idid./No,Ididnt.-Wasshe15yearsoldlastyear?4.特殊疑问句特殊疑问词+did+主语+行为动词原形特殊疑问词+was/were+主语+其他成分eg.Wheredidyougoshoppingyesterday?Whenandwherewereyouborn?第17页/共29页行为动词一般过去时的否定式行为动词一般过去时的否定式一般过去时的否定式是在动词原形一般过去时的否定式是在动词原形前加助动词前加助动词did not(didnt).主语+didnt+动词原形I _ them the news.I _(tell)them the news yesterday.didnt telltold第18页/共29页行为动词一般过去时的疑问式行为动词一般过去时的疑问式一般过去时的一般疑问式在句首加助动词didDid+主语主语+动词原形动词原形？They _(finish)their work at four.一般疑问句:_ they _ their work at four?Yes,they _.No,they _.finishedDidfinishdiddidnt第19页/共29页行为动词一般过去时的疑问式行为动词一般过去时的疑问式一般过去时的特殊疑问式疑问词疑问词+did+主语主语+动词原形动词原形？They finished their work at four.AB 对划线部分提问对划线部分提问A:B:What did they do at four?When did they finish their work?第20页/共29页T注意注意1.加助动词加助动词did或者或者didnt后后,动词动词须返回原形。须返回原形。Choose F or T.Did he went to school yesterday?Did he go to school yesterday?F2.They didnt finish their homework last night.They didnt finished their homework last night.TF第21页/共29页 巧记不规则动词过去式巧记不规则动词过去式 1.1.中间去中间去e e，末尾加，末尾加t t 如：如：keepkeptkeepkept，feelfelt feelfelt，sleepslept sleepslept，sweepsweptsweepswept2.2.结尾结尾d d变变t t 如：如：buildbuiltbuildbuilt，lendlentlendlent，sendsent sendsent，spendspentspendspent3.3.遇见遇见i i改为改为a a 如：如：ringrangringrang，sitsatsitsat，drinkdrank drinkdrank，singsang singsang，swimswamswimswam，beginbeganbeginbegan，givegave givegave第22页/共29页4.4.“骑骑(马马)”“开开(车车)”“写写(字字)”把把i i变变o o如：如：rideroderiderode，drivedrovedrivedrove，writewrotewritewrote5.5.“想想”“买买”“带来带来”“打仗打仗”oughtought换上换上 thinkthoughtthinkthought，buyboughtbuybought，bringbrought bringbrought，fightfoughtfightfought6.6.“教书教书”“抓住抓住”aughtaught切莫忘切莫忘 如：如：teachtaughtteachtaught，cacatchtchcaughtcaught7.ow/aw7.ow/aw改为改为ewew是新时尚是新时尚 如：如：knowknewknowknew，growgrewgrowgrew，throwthrew throwthrew，drawdrewdrawdrew8.8.“放放”“让让”“读读”过去式与原形一样过去式与原形一样 如：如：putputputput，letletletlet，readread/redreadread/red第23页/共29页Exercises Exercises 1.I _ the number down on a piece of paper a moment ago.A.write B.writed C.wrote D.writing2.Everything _ ready before Father came.A.were B.was C.is D.areCB第24页/共29页3.He always _me last term.A.helped B.helps C.helping D.help A第25页/共29页1._ you _(remember)to buy the oranges?2.Who _(invent)the computer.3.We _(go)to the cinema last night.The film _(be)very good.4.What time _ you _(get)to school this morning?5.Jim _(do)a lot yesterday.He _(go)shopping and _(cook)supper.Did remember invented wentwas did get用动词的适当时态填空用动词的适当时态填空didwent cooked 第26页/共29页1.Lucy did her homework at home.(改否定句)Lucy _ _ her homework at home.2.He found some meat in the fridge.(变一般疑问句)_ he _ _ meat in the fridge?3.She stayed there for a week.(对划线部分提问)_ _ _ she _ there?4.There was some orange in the cup.(变一般疑问句)_ there _ orange in the cup?didnt doDid find any How long didstayWas any 第27页/共29页第28页/共29页谢谢您的观看！第29页/共29页
