朗文(3B)Unit-3(过去时)课件

1ppt课件1ppt课件todayyesterdaythreedaysagolastweek2011年2月thedaybeforeyesterday2ppt课件todayyesterdaythreedaysagola2011年1月lastmonth3ppt课件2011年1月lastmonth3ppt课件2010年12月lastyear4ppt课件2010年12月lastyear4ppt课件last——上一个ago——以前yesterday——昨天5ppt课件last——上一个ago——以前yesterday—2011年2月24日nowbeforefutureWearegoingtotalkabout“before”.Soweusethe“pasttense”.（过去式）thepast6ppt课件2011年2月24日nowbeforefutureWeartodayyesterdayItissunnytoday.Itwasrainyyesterday.7ppt课件todayyesterdayItissunnytodatodayyesterdayHeishappytoday.Hewassadyesterday.8ppt课件todayyesterdayHeishappytodatodayyesterdayIaminGuangzhoutoday.IwasinBeijingyesterday.9ppt课件todayyesterdayIaminGuangzhotodayyesterdayHerhairisshorttoday.Herhairwaslongyesterday.10ppt课件todayyesterdayHerhairisshortodayyesterdayTheyareatschooltoday.Theywereathomeyesterday.11ppt课件todayyesterdayTheyareatschoSheistwoyearsoldnow.She___oneyearoldlastyear.Therearetwodogsinmyhousetoday.There___threedogsinmyhouseyesterday.TodayisThursday.(Yesterday____

Wednesday.)12ppt课件Sheistwoyearsoldnow.ThereIamnothungrynow.I____hungrytwohoursago.WeareinGradeFivenow.We____inGradeFourlastyear.WhereisTom?Where___Tomyesterday?13ppt课件Iamnothungrynow.Weareinbe动词的过去式：

am----was/wOz/is----was/wOz/,are----were/wE:/,14ppt课件be动词的过去式：14ppt课件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。15ppt课件15ppt课件请把下面句子变成否定句、疑问句并回答。Hewastiredyesterday.2.TheywereinChinalastyear.3.Iwasshortbefore.4.ItwasSundayyesterday.16ppt课件请把下面句子变成否定句、疑问句16ppt课件todayyesterdayIplayfootballtoday.Iplayedtabletennisyesterday.17ppt课件todayyesterdayIplayfootballyesterdayShewashedherfaceyesterday.18ppt课件yesterdayShewashedherfaceyyesterdayShepickedsomeflowersyesterday.19ppt课件yesterdayShepickedsomefloweyesterdayThebabywatchedTVyesterday.20ppt课件yesterdayThebabywatchedTVyyesterdayTheyskippedyesterday.21ppt课件yesterdayTheyskippedyesterdayesterdayTheboyhelpedthegirlyesterday.22ppt课件yesterdayTheboyhelpedthegiyesterdayTheydancedyesterday.23ppt课件yesterdayTheydancedyesterday行为动词过去式的变化规则：直接加ed,

(辅元辅)双写最后一个字母加ed,

变y为i加ed(y前面是元音不用变),

以e结尾的词直接加d。24ppt课件行为动词过去式的变化规则：24ppt课件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.25ppt课件行为动词过去式否定句：25ppt课件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.26ppt课件行为动词过去式一般疑问句：26ppt课件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.27ppt课件行为动词过去式特殊疑问句：27ppt课件请把下面句子变成否定句、疑问句并回答。Iwasthirsty.2.Lilywashedherhands.3.Myparentswereathome.4.IwatchedTVlastnight.28ppt课件请把下面句子变成否定句、疑问句28ppt课件Iplayedbasketball.Whatdidyoudoyesterday?PasttenseWemakequestionswithdid.Don’tchangetheverbafterdid.29ppt课件Iplayedbasketball.WhatdidyNowyoutry.

I________thedishes.Whatdidyoudoyesterday?washthedisheswashed30ppt课件Nowyoutry.I________thedisI_______mygrandparents.What_______youdoyesterday?visitmygrandparentsdidvisited31ppt课件I_______mygrandparents.WhatHe_________pictures.didpaintedWhat______Charliedoyesterday?Charlie,paintpictures32ppt课件He_________pictures.didpaintWhatdidtheboydoyesterday?skippedB.pickedflowersC.danced33ppt课件Whatdidtheboydoyesterday?WhatdidtheladydolastSunday?cookedB.cleanedthehouseC.watchedTV34ppt课件WhatdidtheladydolastSundWhatdidthemandotwodaysago?criedB.watchedTVC.listenedtomusic35ppt课件WhatdidthemandotwodaysaWhatdidthemandolastweek?skippedB.skatedC.danced36ppt课件WhatdidthemandolastweekLastWeek37ppt课件LastWeek37ppt课件1.Wastheboyhappyyesterday?2.WhatdidJackdolastweek?3.Wereyouhungryyesterday?.4.WhatdidthetigersdolastSunday?38ppt课件1.Wastheboyhappyyesterday?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)chapter339ppt课件助动词的小窍门：(pre)chapter339ppt课件1.Whatdoeshedoeveryday?2.Whatdotheydoafterschool?3.Whatdidshedoyesterday?Hesings.Theyplaybasketball.Shecleanedthehouse.40ppt课件1.Whatdoeshedoeveryday?2.1.Whatdidshedoyesterday?2.Whatdoeshedoeveryday?3.Whatdotheydoafterschool?Shecooked.Hegoesswimming.Theyoftenrun.41ppt课件1.Whatdidshedoyesterday?2.camping42ppt课件camping42ppt课件playhide-and-seek43ppt课件playhide-and-seek43ppt课件boilwater44ppt课件boilwater44ppt课件pickuprubbish45ppt课件pickuprubbish45ppt课件cookameal46ppt课件cookameal46ppt课件ed的读音规则：以清辅音结尾的词读/t/,以浊辅音结尾的词读/d/,以元音结尾的词读/d/,以t或d结尾的词读/id/。47ppt课件ed的读音规则：47ppt课件cook-cookedlisten-listenedwatch-watchedwash-washeduse-usedpick-pickedskip-skippedwater-wateredlike-likeddance-dancedstudy-studiedenjoy-enjoyedcry-criedstay-stayedplant-plantedstart-startedwant-wantedneed-neededend-ended48ppt课件cook-cookedlisten-listenedwatc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)49ppt课件主语（人物、+动词(play,open,dance,hYesterdayTomBenLilyJanetPeterSally50ppt课件YesterdayTomBenLilyJanetPeterSfirewood

/aiE//u/

Thereisnotenoughfirewoodfortonight./I//V/足够

51ppt课件firewood

/aiE//u/Thereisnoleaf

/i:/makeafirewithleaves

生火leaves

/i:/52ppt课件leaf

/i:/makeafirewithleav1.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53ppt课件1.Theydon’tburn燃烧.

tin

/I/54ppt课件tin

/I/54ppt课件pork

/O:/55ppt课件pork

/O:/55ppt课件soon很快paperplate纸碟suddenly突然blowaway吹走shall将要use…for把…当做

taste尝

yummy美味的56ppt课件soon很快56ppt课件57ppt课件1ppt课件todayyesterdaythreedaysagolastweek2011年2月thedaybeforeyesterday58ppt课件todayyesterdaythreedaysagola2011年1月lastmonth59ppt课件2011年1月lastmonth3ppt课件2010年12月lastyear60ppt课件2010年12月lastyear4ppt课件last——上一个ago——以前yesterday——昨天61ppt课件last——上一个ago——以前yesterday—2011年2月24日nowbeforefutureWearegoingtotalkabout“before”.Soweusethe“pasttense”.（过去式）thepast62ppt课件2011年2月24日nowbeforefutureWeartodayyesterdayItissunnytoday.Itwasrainyyesterday.63ppt课件todayyesterdayItissunnytodatodayyesterdayHeishappytoday.Hewassadyesterday.64ppt课件todayyesterdayHeishappytodatodayyesterdayIaminGuangzhoutoday.IwasinBeijingyesterday.65ppt课件todayyesterdayIaminGuangzhotodayyesterdayHerhairisshorttoday.Herhairwaslongyesterday.66ppt课件todayyesterdayHerhairisshortodayyesterdayTheyareatschooltoday.Theywereathomeyesterday.67ppt课件todayyesterdayTheyareatschoSheistwoyearsoldnow.She___oneyearoldlastyear.Therearetwodogsinmyhousetoday.There___threedogsinmyhouseyesterday.TodayisThursday.(Yesterday____

Wednesday.)68ppt课件Sheistwoyearsoldnow.ThereIamnothungrynow.I____hungrytwohoursago.WeareinGradeFivenow.We____inGradeFourlastyear.WhereisTom?Where___Tomyesterday?69ppt课件Iamnothungrynow.Weareinbe动词的过去式：

am----was/wOz/is----was/wOz/,are----were/wE:/,70ppt课件be动词的过去式：14ppt课件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。71ppt课件15ppt课件请把下面句子变成否定句、疑问句并回答。Hewastiredyesterday.2.TheywereinChinalastyear.3.Iwasshortbefore.4.ItwasSundayyesterday.72ppt课件请把下面句子变成否定句、疑问句16ppt课件todayyesterdayIplayfootballtoday.Iplayedtabletennisyesterday.73ppt课件todayyesterdayIplayfootballyesterdayShewashedherfaceyesterday.74ppt课件yesterdayShewashedherfaceyyesterdayShepickedsomeflowersyesterday.75ppt课件yesterdayShepickedsomefloweyesterdayThebabywatchedTVyesterday.76ppt课件yesterdayThebabywatchedTVyyesterdayTheyskippedyesterday.77ppt课件yesterdayTheyskippedyesterdayesterdayTheboyhelpedthegirlyesterday.78ppt课件yesterdayTheboyhelpedthegiyesterdayTheydancedyesterday.79ppt课件yesterdayTheydancedyesterday行为动词过去式的变化规则：直接加ed,

(辅元辅)双写最后一个字母加ed,

变y为i加ed(y前面是元音不用变),

以e结尾的词直接加d。80ppt课件行为动词过去式的变化规则：24ppt课件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.81ppt课件行为动词过去式否定句：25ppt课件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.82ppt课件行为动词过去式一般疑问句：26ppt课件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.83ppt课件行为动词过去式特殊疑问句：27ppt课件请把下面句子变成否定句、疑问句并回答。Iwasthirsty.2.Lilywashedherhands.3.Myparentswereathome.4.IwatchedTVlastnight.84ppt课件请把下面句子变成否定句、疑问句28ppt课件Iplayedbasketball.Whatdidyoudoyesterday?PasttenseWemakequestionswithdid.Don’tchangetheverbafterdid.85ppt课件Iplayedbasketball.WhatdidyNowyoutry.

I________thedishes.Whatdidyoudoyesterday?washthedisheswashed86ppt课件Nowyoutry.I________thedisI_______mygrandparents.What_______youdoyesterday?visitmygrandparentsdidvisited87ppt课件I_______mygrandparents.WhatHe_________pictures.didpaintedWhat______Charliedoyesterday?Charlie,paintpictures88ppt课件He_________pictures.didpaintWhatdidtheboydoyesterday?skippedB.pickedflowersC.danced89ppt课件Whatdidtheboydoyesterday?WhatdidtheladydolastSunday?cookedB.cleanedthehouseC.watchedTV90ppt课件WhatdidtheladydolastSundWhatdidthemandotwodaysago?criedB.watchedTVC.listenedtomusic91ppt课件WhatdidthemandotwodaysaWhatdidthemandolastweek?skippedB.skatedC.danced92ppt课件WhatdidthemandolastweekLastWeek93ppt课件LastWeek37ppt课件1.Wastheboyhappyyesterday?2.WhatdidJackdolastweek?3.Wereyouhungryyesterday?.4.WhatdidthetigersdolastSunday?94ppt课件1.Wastheboyhappyyesterday?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)chapter395ppt课件助动词的小窍门：(pre)chapter339ppt课件1.Whatdoeshedoeveryday?2.Whatdotheydoafterschool?3.Whatdidshedoyesterday?Hesings.Theyplaybasketball.Shecleanedthehouse.96ppt课件1.Whatdoeshedoeveryday?2.1.Whatdidshedoyesterday?2.Whatdoeshedoeveryday?3.Whatdotheydoafterschool?Shecooked.Hegoesswimming.Theyoftenrun.97ppt课件1.Whatdidshedoyesterday?2.camping98ppt课件camping42ppt课件playhide-and-seek99ppt课件playhide-and-seek43ppt课件boilwater100ppt课件boilwater44ppt课件pickuprubbish101ppt课件pickuprubbish45ppt课件cookameal102ppt课件cookameal46ppt课件ed的读音规则：以清辅音结尾的词读/t/,以浊辅音结尾的词读/d/,以元音结尾的词读/d/,以t或d结尾的词读/id/。103ppt课件ed的读音规则