九年级英语下册 一般过去时的写法及应用课件 冀教版.ppt

,Icleanedtheroomyesterday.,Ididsomecleaningyesterday.,表示过去发生的动作或存在的状态,一般过去时:PastSimple,Shewasathomeyesterday.,规则动词的过去式变化规则,一般在词尾加ed,playplayed,以不发音的e结尾的，只加-d,以辅音字母+y结尾的，变y为i,再加ed,以一个辅音字母结尾的重读闭音节，先双写这个辅音字母，再加-ed,2、不规则变化Igotoschoolbybikeeveryday.Iwenttoschoolbybikeyesterday.,例如：have/hashad,go-went,eat-ate,say-saidthinkthought,come-came,含有be动词的一般过去式,含有be动词的一般现在时变一般过去时,把is和am改成was,把are改成were,SheisinBeijing.ShewasinBeijing.Iamastudent.Iwasastudent.Wearefriends.Wewerefriends.,行为动词的一般过去时:,陈述句：主语+动词过去式+其它,Shedidhomeworkyesterday.,否定句：主语+助动词didnt+动词原形+其它,Shedidntdohomeworkyesterday.,一般疑问句：Did+主语+动词原形+其它,Didshedohomeworkyesterday?Yes,shedid./No,shedidnt.,常用时间,常与一般过去时态连用的时间有：,yesterdayyesterdaymorning(afternoon,evening)lastnight(week,month,year)twodaysago,aweekago,threeyearsagoin1990,(in1998),练习:,1.Sheisateacher.She_ateacher.2.TheyarefromJapan.they_fromJapan.Iamverytired.I_verytired.Heistooyoungtogotoschool.He_tooyoungtogotoschool.5.Youarelateforschool.You_lateforschool.,was,were,was,was,were,练习：She_(play)withaballyesterday.DannyandLiMing_(fly)kitesyesterday.They_(arrive)inChinayesterday.Tom_(has)ainterestingbooklastyear.I_(meet)anoldfriendyesterday.,played,flied,arrived,had,met,句型转换：1MrLiinvitedhertotheparty.（改为一般疑问句）MrLihertotheparty?2Theyaskedtheteacheraquestion.（改为否定句）Theytheteacheraquestion.3TomwatchedTVfortwohours.(对画线部分提问）TomTV?4Shehelpedmedosomecleaning.(对画线部分提问）Sheyou?,Did,invite,didntask,Howlongdid,watch,Whatdid,help,do,PRACTISE,改写句子：1、Lucydidherhomeworkathome.（改否定句）Lucy_herhomeworkathome.2、Hefoundsomemeatinthefridge.（变一般疑问句)_he_meatinthefridge?3、Shestayedthereforaweek.（对划线部分提问）_she_there?4、Therewassomeorangeinthecup.（变一般疑问句)_there_orangeinthecup?,didntdoDidfindanyHowlongdidstayWasany,现在进行时，一般现在时，一般过去时,时态,现在进行时：,一般现在时：,一般过去时：,现在正在进行的动作,经常或习惯性的动作或存在的状态。,过去某个时间或时间段发生的动作或存在的状态。,(ThePresentContinuousTense),(TheSimplePresentTense),(TheSimplePastTense),各时态常用的信息词,现在进行时：,一般现在时:,一般过去时:,now,Look!Listen!atthistimeWhereis?Donttalk!Its8:00am.,always,usually,often,sometimes,seldom,never,everyday,every,threetimesaday,lastnight,last,twodaysago,ago,in1999,in+过去的年份,justnow=amomentago,yesterday,yesterdaymorning,改一般疑问句的方法：,改否定句的方法：,首先看有无be动词，如果有，将be提到句首并大写，句末打问号.如果没有be动词，看原句的动词形式来决定借用助动词do/does/did,并且行为动词要还原。,V-原形V-s/esV-ed(过去式),+动词原形?,以此类推,首先看有无be动词，如果有，在be动词后面加not.如果没有be动词，看原句的动词形式来决定借用助动词do/does/did,并在后面加not,并且行为动词要还原。,主语+dont/doesnt/didnt+动词原形,现在分词的构成：,动词第三人称单数的构成：,过去式的构成：,直接加-ing.重读辅元辅，双写尾字母加-ing.以e结尾去e加-ing.,直接加-s.以s,x,ch,sh,o结尾加-es.以“辅音+y“结尾变y为i再加-es.,直接加-ed.以e结尾只加d.重读辅元辅，双写尾字母再加-ed.以“辅音+y”结尾变y为i再加-ed.,表格对比学习,be+v-ing(现在分词）,在be后加上not,Be提到句首,V-原形V-三人单,在行为v.前借用do,does后加not，行为动词还原,Do,Does提到句首，行为动词还原,V-ed(过去式）,在行为v.前借用did后加not，行为动词还原,Did提到句首，行为动词还原,判断下列信息词是属于哪种时态,lastnightnoweverydayLook!yesterdayoftenListen!twoyearsagoalwaysin1897threetimesaweek,一般现在时一般过去时现在进行时,小小测试,判断时态形式：,Healwayslikesplayingthepiano.()WearehavinganEnglishclassesnow.()Theyoftengohomelate.()Lucydancedthediscoatthepartylastnight.()IlikedgotothezoowhenIwasyoung.()Myteacherisfriendlytous.()Look!Theyareplayingfootball.()Shewasbornin1990.()Ilostmuchmoneylastnight.（）,A.现在进行时B.一般现在时C.一般过去时,A,B,C,A,B,B,C,C,C,Heisateacher.,2.KangkangcomesfromChina.,3.Iusuallytakethebustowork.,4.Theyarehavingclasses.,5.Janeplayedtheguitarlastnight.,先（一般疑问句）再（否定句）,Isheateacher?Heisntateacher.,DoesKangkangcomefromChina?KangkangdoesntcomefromChina.,Doyouusuallytakethebu