一般现在时,一般过去式,一般将来时ppt课件

.,Welcometomyclass!,.,表示经常或者反复发生的动作,一般现在时:PresentSimple,often（经常）sometimes（有时）always（总是）usually（通常）everyday（每天）everyweek（每周）everymonth（每月）everyterm（每学期）everyyear（每年）onceaweek（一周一次）twiceayear（一年两次）,信息词：,.,Letsremember:Doyourememberthewordsinyourlife?你记得你生活中的一些常用词汇吗？,起床吃早饭上课吃午饭休息做运动吃晚餐做家庭作业看电视上床睡觉,getuphavebreakfaststartlessonhavelunchhaveabreakdosportshavedinnerdohomeworkwatchTVgotobed,.,看小说听音乐看电影去音乐会去看足球赛玩游戏弹钢琴上网说英语去公园,readnovelslistentothemusicgotothecinemagototheconcertgotowatchthefootballmatchplaygamesplaythepianogoonlinespeakEnglishgotothepark,.,定义：一般现在时：1、表达经常性或习惯性的动作。2、表示现在的状态。例如：1、我们每天都上学。2、下课后我们打扫教室。3、有时我们在操场上踢足球。4、我们在学校吃晚饭。5、他喜欢英语。6、他是一个学生。,Wegotoschooleveryday.,Wecleantheclassroomafterclass.,Wesometimesplayfootballontheplayground.,Wehavedinneratschool.,HelikesEnglish.,Heisastudent.,.,一般现在时(TheSimplePresentTense)1.表示现在的状态：e.g.Hestwelve.Shesatwork.2.表经常或习惯性的动作：e.g.Igetupat6:30everyday.HereadsEnglisheverymorning.3.表主语具备的性格和能力等：e.g.Shelikesnoodles.TheyspeakFrench.4.普遍真理和自然规律：e.g.Twoplusfourissix.Themoongoesaroundtheearth.,.,对下列句子画线部分提问：,Igetupatsixoclock.TheyusuallygototheparkonSunday.Theelephantslikeeatingfruits.Hesendstwoemailseveryweek.5.IoftenmaketravelplansontheInternet.6.Hehaslunchatschool.,Whendoyougetup?,WhatdotheyusuallydoonSunday?,Whatdotheelephantslikeeating?,Howmanyemailsdoeshesendeveryweek?,Howoftendoeshesendtwoemails?,WhatdoyouoftendoontheInternet?,Whohaslunchatschool?,Wheredoeshehavelunch?,.,Doyouknow?,第一人称和第二人称的一般现在时，其谓语动词没有形式的变化，其否定形式一般是在谓语动词前dont,一般疑问句在句前加do但当主语是第三人称单数时，谓语动词形式有变化，一般在动词末尾加s，否定句在行为动词前加doesnt，一般疑问句在句前加does,动词三单的变化：1、一般动词后加s，如：reads,plays,works,makes2、以s,x,ch,sh,结尾，后加es.如：watches,3、以辅音字母加o结尾,一般加es,如：does,goes4、辅音字母+y结尾的单词,去y,加ies,如：worriesstudies,.,Letscorrect:Igoestoschoolatsixeveryday.Hedontlikeplayingfootball.3.Theylikesplayinggames.4.DamingwatchsTVintheevening.5.Doesheusuallyhasaparty?6.WhatdotheyonSunday?7.Tonygoesalwaystoschoolateightoclock.8.Whattheyeatintheparty?9.Lilyhaveslunchatschool.10.Whatdohisparentsusuallygiveshim?,.,Icleanedtheroomyesterday.,Ididsomecleaningyesterday.,.,表示过去发生的动作或存在的状态,一般过去时:PastSimple,构成:系动词be的过去时,Shewasathomeyesterday.,.,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),.,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,.,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,.,表示现在正在发生的动作,现在进行时:PresentProgressive,结构:be(is,am,are)+doing肯定句：sb+be+v.ing+否定句：sb+be+v.ing+疑问句：Be+sb+v.ing?特殊疑问词+be+sb+ving?,标志语：Look!、Listen!、now,.,动词-ing形式的构成：,一般在动词原形后+ing,以不发音的e结尾的，去e，+ing,重读闭音节以一个辅音字母结尾的，双写这一字母+ing,.,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.,Doyouusuallytakethebustowork?Idontusuallytakethebustowork.,Aretheyhavingclasses?Theyarenthavingclasses.,DidJaneplaytheguitarlastnight?Janedidntplaytheguitarlastnight.,句型变化操练,.,用所给动词的适当形式填空。,1.Listen!Mary_(sing)now.2.Ayoungman_(run)ontheplaygroundnow.3.Mymother_(watch)TVplayeveryday.4.OldBush_(visit)Chinaagainlastmonth.5.I_(play)sportsthreetimesaday.6.Look!LucyandLily_(read)books.7.There_(is)afootballmatchyesterdayafternoon.8.Ourclass_(go)tothezoothreedaysago.,issinging,isrunning,watches,visited,play,arereading,was,went,.,TorF1.Healwayssleepwithhiswindowsopen.2.Heisdoeshishomeworkintheeveningeveryday.(改错)3.Heistwelvelastyear.4.Theywerecomeherethreedaysago.5.Hefishingnow.,sleeps,F,F,F,F,F,was,Exerci