朗文(3B)Unit3(过去时).ppt

朗文(3B)Unit3(过去时)SUNMONTUEWEDTHUFRISAT12345678910111213141516171819202122232425262728todayyesterdaythreedaysagolastweek2011年2月thedaybeforeyesterdaySUNMONTUEWEDTHUFRISAT123456789101112131415161718192021222324252627282930312011年1月lastmonthSUNMONTUEWEDTHUFRISAT123456789101112131415161718192021222324252627282930312010年12月lastyearlast——上一个ago——以前yesterday——昨天2011年2月24日nowbeforefutureWearegoingtotalkabout“before”.Soweusethe“pasttense”.（过去式）thepasttodayyesterdayItissunnytoday.Itwasrainyyesterday.todayyesterdayHeishappytoday.Hewassadyesterday.todayyesterdayIaminGuangzhoutoday.IwasinBeijingyesterday.todayyesterdayHerhairisshorttoday.Herhairwaslongyesterday.todayyesterdayTheyareatschooltoday.Theywereathomeyesterday.Sheistwoyearsoldnow.She___oneyearoldlastyear.Therearetwodogsinmyhousetoday.There___threedogsinmyhouseyesterday.TodayisThursday.(Yesterday____Wednesday.)Iamnothungrynow.I____hungrytwohoursago.WeareinGradeFivenow.We____inGradeFourlastyear.WhereisTom?Where___Tomyesterday?be动词的过去式：1.am----was/wOz/2.is----was/wOz/,3.are----were/wE:/,1.否定句在was,were后面直接加not，wasnot=wasn’twerenot=weren’t2.疑问句把was和were移到主语的前面。请把下面句子变成否定句、疑问句并回答。1.Hewastiredyesterday.2.TheywereinChinalastyear.3.Iwasshortbefore.4.ItwasSundayyesterday.todayyesterdayIplayfootballtoday.Iplayedtabletennisyesterday.yesterdayShewashedherfaceyesterday.yesterdayShepickedsomeflowersyesterday.yesterdayThebabywatchedTVyesterday.yesterdayTheyskippedyesterday.yesterdayTheboyhelpedthegirlyesterday.yesterdayTheydancedyesterday.行为动词过去式的变化规则：1.直接加ed,2.(辅元辅)双写最后一个字母加ed,3.变y为i加ed(y前面是元音不用变),4.以e结尾的词直接加d。行为动词过去式否定句：在动词前面加上didn’t,动词变原形。HewatchedTVyesterday.Hedidn’twatchTVyesterday.行为动词过去式一般疑问句：在句子开头加上Did,动词变原形。HewatchedTVyesterday.DidhewatchTVyesterday?Yes,hedid./No,hedidn’t.行为动词过去式特殊疑问句：提问有did,回答动词用过去式.。Whatdidyoudoyesterday?Iplayedbasketball.请把下面句子变成否定句、疑问句并回答。1.Iwasthirsty.2.Lilywashedherhands.3.Myparentswereathome.4.IwatchedTVlastnight.Iplayedbasketball.Whatdidyoudoyesterday?PasttenseWemakequestionswithdid.Don’tchangetheverbafterdid.Nowyoutry.I________thedishes.Whatdidyoudoyesterday?washthedisheswashedI_______mygrandparents.What_______youdoyesterday?visitmygrandparentsdidvisitedHe_________pictures.didpaintedWhat______Charliedoyesterday?Charlie,paintpicturesWhatdidtheboydoyesterday?A.skippedB.pickedflowersC.dancedWhatdidtheladydolastSunday?A.cookedB.cleanedthehouseC.watchedTVWhatdidthemandotwodaysago?A.criedB.watchedTVC.listenedtomusicWhatdidthemandolastweek?A.skippedB.skatedC.dancedSundayMondayTuesdayWednesdayThursdayFridaySaturdayLastWeek1.Wastheboyhappyyesterday?2.WhatdidJackdolastweek?3.Wereyouhungryyesterday?.4.WhatdidthetigersdolastSunday?助动词的小窍门：1.提问是do,回答用动词原形。2.提问是does,回答动词加s.3.提问是did，回答动词用过去式.(pre)chapter31.Whatdoeshedoeveryday?2.Whatdotheydoafterschool?3.Whatdidshedoyesterday?Hesings.Theyplaybasketball.Shecleanedthehouse.1.Whatdidshedoyesterday?2.Whatdoeshedoeveryday?3.Whatdotheydoafterschool?Shecooked.Hegoesswimming.Theyoftenrun.campingplayhide-and-seekboilwaterpickuprubbishcookamealed的读音规则：1.以清辅音结尾的词读/t/,2.以浊辅音结尾的词读/d/,3.以元音结尾的词读/d/,4.以t或d结尾的词读/id/。cook-cookedlisten-listenedwatch-watchedwash-washeduse-usedpick-pickedskip-skippedwater-wateredlike-likeddance-dancedstudy-studiedenjoy-enjoyedcry-criedstay-stayedplant-plantedstart-startedwant-wantedneed-neededend-ended主语（人物、动物、物品）+动词(play,open,dance,help,cook,wash,study,listen,work,skipfish,clean,jump,water,paint)+时间(yesterday,last…,…ago)YesterdayTomBenLilyJanetPeterSallyfirewood/aiE//u/Thereisnotenoughfirewoodfortonight./I//V/足够leaf/i:/makeafirewithleaves生火leaves/i:/1.Theydon’tburn燃烧./E:/2.findmore更多的firewood/O:/3.helptoprepare准备lunch/I//eE/4.bring带来alotoffirewood/I//O/很多tin/I/pork/O:/