Grammar一般现在时(SimplePresentTense)时态概念。英语句子的时态是指在不同时间里发生的动作或存在的状态,要用动词的不同形式表示出来。时态:1、这种时态的用法。(即何时用这种时态。)2、这种时态的构成。(一般现在时用法)Ihavelonghair.Myhairislong.—thingsthataretruenow.目前存在的事实Simonplaysfootballafterschool.—thingsthatwedoregularly.经常做的事Catseatfish.—thingsthatarealwaystrue.客观存在的事实一.当我们谈论以下几种情况时,用一般现在时:1.表示现在存在的状态;2.表示经常性、习惯性的动作;3.表示客观事实或普遍真理。句中常用always,usually,often,sometimes,seldom,never,everyday,inthemorning等时间状语。一般现在时的构成:MynameisAmy.Heistenyearsold.---be动词的一般现在时(Be型)Ioftenplayfootballafterschool.HewatchesTVeveryday.---行为动词的一般现在时(Do型)动词的种类Do型:(看例句并总结规律,注意观察红色和蓝色字体。)1、Iplayfootballeveryday.2、Youplayfootballeveryday.3、Myfriendsplayfootballeveryday.4、Heplaysfootballeveryday.5、Tomplaysfootballeveryday.6、Mybrotherplaysfootballeveryday.总结:主语如果是第三人称单数,其后跟的行为动词要加s\es•1.行为动词一般在词尾加-s,清辅音后读作[s],浊辅音和元音后读作[z]。如:helps,plays,hates•2.以s,x,ch,sh结尾的行为动词,在词尾加-es,原词尾已有e,一般只加-s都读作[iz]。如:washes,closes,teaches•3.以辅音字母加-y结尾的行为动词,先变y为i,再加-es,读作[iz]。如:fly(flies),study(studies)•4.以o结尾的行为动词,加es•goes,doesRepeat!写出下列行为动词的第三人称单数形式:1.like---2.swim—3.work—4.catch—5.go----6.study—7.worry—8.have---9.do---likesswimsworkscatchesgoesstudiesworrieshasdoes1.I_______(go)swimmingonSunday.2.Mycousin_______(enjoy)computergames.3.Myparents__________(watch)TV.4.TomandSimon_______(like)fish.5.He___________(swim)everyday.6.Tom_______(play)footballeveryday.gowatchlikeswimsplaysenjoys用所给词的适当形式填空行为动词一般现在时的否定句和一般疑问句。1、IspeakEnglish.否定句:Idonot/don’tspeakEnglish.一般疑问句:DoyouspeakEnglish?肯定回答:Yes,Ido.否定回答:No,Idon’t.2、HespeaksEnglish.否定句:Hedoesnot/doesn’tspeakEnglish.一般疑问句:DoeshespeakEnglish?肯定回答:Yes,hedoes.否定回答:No,hedoesn’t.注意蓝色和红色字体,总结规律。改错题:1.Igoestoschoolatsixeveryday.2.Hedon’tlikeplayingfootball.3.IamwatchTVeveryday.4.DamingwatchsTVintheevening.5.Doesheusuallyhasaparty?6.OurEnglishdoesn’tlikesmusic.7.Tonygoesalwaystoschoolateighto’clock.8.DoesyourparentslikewatchingTV?9.Lilyhaveslunchatschool.10.Mysisterdoesn’therhomeworkevery._______________________________________________godoesn’t去掉amwatcheshavelikealwaysgoes____dohasdoesn’tdo注意:我们用一般现在时进行表达时,不能同时使用be动词和行为动词动词的种类:1行为动词:含有实在的意义,表示动作或状态Shehasasister.Welikeplayingfootball.2、连系动词:连接主语和表示主语身份,性质,状态的动词Heistenyearsold.Soundsgood!Theparklooksverybeautiful.3、助动词(无词义)Doyouhaveasister?Hedoesn’tspeakEnglish.4、情态动词Wemustgonow.ShecanspeakEnglish.