初中英语语法中的一般现在时

初中英语语法中的一般现在时一般现在时是英语中应用最广泛的时态之一，是初中英语语法重点。它表示1)经常性、习惯性的动作或存在的状态。e.g.Igotoschoolonfoot.Heisverybusynow.2)表示主语的特征、性格、能力、爱好等。e.g.Hecanswim.Iworkhard.IlikewatchingTV.3)表示客观真理e.g.Therearesevendaysinaweek.Themoonmovesroundtheearth.其时间状语为often、usually、always、sometimes等频率副词，onSaturdays、inthemorning(afternoon,evening)、everyday等。•1)表示动作，一般人称作主语的，变否定句须在动词前加助动词don’t;变一般疑问句须在句首加助动词do。•2)三单人称做主语的，变否定句须在动词前加助动词doesn’t;变一般疑问句须在句首加助动词does。•Theydon’thavelunchat12:00.Dotheyhavelunchat12:00?•e.g.Theyhavelunchat12:00.•e.g.JennyspeaksEnglishverywell.•Jennydoesn’tspeakEnglishverywell.DoesJennyspeakEnglishverywell?含有be动词的要在be上做变化.Dannyisagoodstudent.Dannyisn’tagoodstudent.IsDannyagoodstudent?学生常见错误如下：一、be动词与行为动词同时出现在句子中三、在句式变换时易出错四、对do的理解易出错五、对主语的数判断有误二、单三人称形式易出错一、be动词与行为动词同时出现在句子中•(一)、单选•1Jenny____inanoffice.Herparents____inahospital.Awork;worksBworks;workCwork;areworkingDisworking;work•2Oneoftheboys_____ablackhat.AhaveBthereisCthereareDhas•3Wewillgoshoppingifit____tomorrow.Adon'trainBdidn'trainCdoesn'trainDisn'train•4Hesaidthesun____intheeastand____inthewest.Arose;setBrises;setsCrises,setDrise;sets•5WangMei____musicandoften____tomusic.Alike;listenBlikes;listensClike;arelisteningDliking;listen•6Jenny____Englisheveryevening.AhasstudyBstudiesCstudyDstudiedBDCBBB(二)、填空1IcantakeLiMingtherewhenhe_____(come)tovisit.2_____yoursister_____(know)English?3Herhome_______________(远离)herschool.4Thepot(notlook)likeyoursverymuch.5Where_____you____(have)luncheveryday?6Who_____(想要)togoswimming?7______she_____(do)thehouseworkeveryday?8JennyandDannyusually______(play)gamesintheafternoon.comesDoesknowisawayfromdoesn`tlookdohavewantsDoesdoplay1、Heplaies(play)footballverywell.以辅音字母加y结尾的动词变单三人称形式才能把y换成i再加es;与名词变复数不同，变单三人称形式以o结尾的词要加es.2、Dannygos(go)toschoolat7:10.二、单三人称形式易出错goesplays一般现在时第三人称单数的构成•规则变化•一般情况下直接+swork-worksask-askssee-sees•以s,x,ch,sh,o结尾+eswatch-watchesgo-goesdo-doeswash-washes•以辅音字母+y结尾，变y为i加estry-triesstudy-studiesfly-flies•不规则变化have-has•给出下列单词的第三人称单数形式•playgohurryteachbuyseewashwalkmisswatchcomesay三、在句式变换时易出错•DoesJennyhas(has)agoodfriend?•Briandoesn’tlives(notlive)inChina.•单三人称做主语的一般现在时做句式变化时，可记住如下口诀：“见助动，用原形”。此口诀也可推广用于一般过去时态中。e.g.Hedidn'tgohomeyesterday.havelive四、对do的理解易出错Wedon’t(notdo)ourhomeworkintheafternoon.do是一个比较难理解的词，它有三个含义:a)是所有行为动词的总称;b)是助动词，无实义;c)是一个具体的行为动词“做，干”。此句中给出的do指“做，干”，not指把此句变为否定句，故须在do前加助动词don’t。don’tdo五、对主语的数判断有误LiMingwithmeare(be)inBeijing.表面一看是“我和李明两个人在北京”，但with在此做伴随状语，不能做主语，故用is.isLiMingwithmeareinBeijing.and用括号中所给词的适当形式填空，•1．Thebuses____(need)alotofoil.•2．Eachofus____(have)strongpointsandweakpoints.•3．Mydaughter___(watch)TVeveryday.Sometimesshe_____(see)afilmonSunday.•4．LiWei__(have)adaughter.She___inanursery.•5．Ourfamily___(be)ahappyone.•6．Hermother______(teach)Englishatamiddleschool.•7．Jackoften_______(listen)totheradio.将下列句子变成否定式和一般疑问句•1．HernameisMeiLing.•2．Wegotoeveningschoolatnight.•3．Mybrotherworksinaradiofactory.•4．Youhavearedpencil.•5．Shehaslunchathome.•6．Wehaveameetingonceaweek.单项选择•1.TheBrowns___anicecarandBrownsbrother__anicejeep.•A.havehaveB.hashasC.havehasD.hashave•2.Iftheirhouse___notlikeours,what___itlooklike?•A.isisB.isdoesC.doesdoesD.doesis•3.-___youthinkhewillcome?•-Ifit___tomorrowhewillnotcome.•A.DorainsB.ArerainsC.DowillrainD.Arewillrain•4.Thelittlechild__notevenknowthatthemoon__aroundtheearth.•A.domoveB.domovesC.doesmovesD.didmoved