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一般现在时Ⅰ、概念:经常、反复发生的动作或存在的状态及现在的某种状态。一、系动词be的一般现在时1、构成:主语+be+其他2、be包括哪些?isamare3、什么时候用is?什么时候用am?什么时候用are?取决于主语是单数还是复数Thegirlismyfriend.主语为单数时――→主语为复数时――→主语为“I”时――→isareamExercise1、Kitty______anEnglishgirl.2、We______students.3、I______fromGuangzhou.4、She______tall.5、LucyandLily______goodfriends.6、Thosechairs______broken.7、Thebag______mine.isareamisareareis否定句的构成主语+be+not+其他isnot=amnot=arenot=isn’t’mnotaren’t1、Kitty(not)anEnglishgirl.2、We(not)students.3、I(not)fromTaizhou.4、She(not)tall.5、LucyandLily(not)goodfriends.6、Thosechairs(not)broken.7、Thebag(not)mineisn’taren’tamnotisn’taren’taren’tisn’tYes,itis.No,itisn’t.1、IsthisyourEnglishbook?注意:在回答时,主语要用相应的代词代替be+主语+其它部分?肯定回答:Yes,主语+be否定回答:No,主语+be+notbe主语其他含be一般疑问句的改写秘诀:一调二改三问号一调:即把句中的be调到主语前;二改:改换主语称谓,即将句中的主语Imymineweourours等第一人称分别改为相应的第二人称youyouryours等;三问号:句末的句号改为问号行为动词的一般现在时构成主语+行为动词+其他Theseboyslikeplayingfootball.ThegirlreadsEnglisheverymorning.注意:当主语为第三人称单数时,行为动词要加s或者es什么时候加s,什么时候加es呢?1、大多数动词在词尾直接加s,read→readslook→looksplay→plays2、以辅音字母加y结尾的动词,要先将y变为i,再加esfly→fliescarry→carriesstudy→studies3、以“s,x,ch,sh”结尾的,在词尾加“es”,teach-teaches[iz];watch-watchesbox---boxes4、以“o”结尾的动词,加“es”go-goes[z]do-does[z]Completethesentences.1.Myfather_______(listen)totheradio.2.Mike_______(study)inamiddleschool.•She______(take)Tomforawalkaftersupper.•He_______(wash)hishands.•Simon______(pass)theballtome.•MissLi_______(teach)Chinese.•It____fourlegs.listenstakesstudieswashespassesteacheshas8否定句的构成主语+助动词(do/does)+not+动词原形+其他Theseboysdon’t(donot)likeplayingfootball.Thegirldoesn’t(doesnot)readEnglisheverymorning.什么时候用助动词do,什么时候用助动词does呢?取决于主语ThegirlreadsEnglisheverymorning.Theseboyslikeplayingfootball.当主语为复数时,用助动词do构成否定当主语为单数时,用助动词does构成否定注意:don’t和doesn’t之后动词一定要用原形Completethesentences.Usetheproperverbformsinbrackets1.Jordan_______(play)basketball.He___________(notplay)football.2.I_______(go)swimmingonSunday.ButI___________(notgo)shopping.3.Mycousins_______(enjoy)computergames.Butthey__________(notenjoy)ballgames.4.You_______(like)fish.Buthe___________(notlike)fish.playsdoesn’tplaygodon’tgoenjoydon’tenjoylikedoesn’tlike12行为动词一般疑问句的构成含行为动词(或称为实义动词)一般疑问句的改写秘诀:一加二改三问号一加:即在句首加助动词Do或Does;二改:1、把谓语动词改为原形;2、改换主语称谓(同第一家组);三问号:句末的句号改为问号。问句:DoyourparentslikeEnglish?肯答:Yes,theydo.否答:No,theydon’t.助动词+主语+动词原形+其它?肯定回答用“Yes,主语+do/does.”否定回答用“No,主语+donot/doesnot.”助动词也常用缩写形式,主要有don’t,doesn’tWereadEnglisheverymorning.→DoyoureadEnglisheverymorning?Tom’sfatherlistenstoEnglishontheradioeveryevening.→DoesTom’sfatherlistentoEnglishontheradioeveryevening?1、肯定式1)主语+be(am/is/are)+表语Iamastudent.It/She/Heisateacher.You/Theyareclassmates.2)主语+情态动词(can,must,may,need,shall)IcanspeakEnglish.Shemustgotoschool.Ⅱ、构成形式:3).主语+行为动词(speak,say,call,go,run….)1)IspeakEnglish.2)She/He/ItspeaksEnglish.3)TheycallmeTom.4)Herunsveryfast.注意:在一般现在时态的肯定句中,当主语是第三人称单数(she,he,it),行为动词要加-s或者–es.2.一般现在时态的否定和疑问式(1).Be动词肯定句:Sheisastudent.否定句:Sheisnotastudent.一般疑问句:Issheastudent?肯定回答:Yes,sheis.否定回答:No,sheisn’t.(2).情态动词e.g.ShecanspeakChinese.否定句:Shecan’tspeakChinese.一般疑问句:CanshespeakChinese?肯定回答:Yes,shecan.否定回答:No,shecan’t.(3)行为动词1.e.g.Irunveryfast.否定句:Idon’trunveryfast.一般疑问句:Doyourunveryfast?肯定回答:Yes,Ido.否定回答:No,Idon’t.2.e.g.ShelikesMaths.否定句:Shedoesn’tlikeMaths.一般疑问句:DoesshelikeMaths?肯定回答:Yes,shedoes.否定回答:No,shedoesn’t.注意:在一般现在时态中,当谓语动词是行为动词的时候,变否定和一般疑问句时,要借助助动词do和does帮忙。当主语是第三人称单数(she,he,it)的时候用does,其他人称用do.借助助动词do和does以后,动词要用动词原形。Ⅲ、一般现在时态的用法:1、表示目前或现在存在的状态或特征.e.g.Sheisoftenlate.2、表示客观存在及普遍真理。e.g.Theearthisround.3、表示现在经常和习惯性发生的动作,常与sometimes,often,usually,always,everyday…等时间状语连用。4、在时间状语从句中表示将来发生的动作。e.g.Ifitdoesn’traintomorrow,we’llgotothepark.5、表示按时间或计划将要发生的动作,常与时间状语连用,常用动词为:come,begin,go,leave,arrive,stop,start,return,E.g.Ourholidaysbegininaweek.Ⅳ、就单词的正确形式填空1.He_____(look)tired.2.Theearth___(go)roundthesun.3.___(may)Ihaveyourpen?4.Practice______(make)perfect.5.Theyusually____(come)toschoolearlier.6.Class_____(begin)ateighteverymorning.7.Whenhe___(come),we’llgoouttomeethim.8.How____(be)yourfather?9.There____(be)aschoolthere.looksgoesMaymakescomecomesbeginsisis一、写出下列动词第三人称单数的变化形式behavecomegostayteachwritetakestudywatchflyplayⅥ、Homework二、将下列句子变成否定式和一般疑问句1.HernameisLiLing.2.Wegotoschoolatnight.3.Mybrotherworksinafactory.Hernameisn’tLiLing.IssheLiLing?Wedon’tgotoschoolatnightDoyougotoschoolatnight?Mybrotherdoesn’tworkinaradiofactory.Doesyourbrotherworksinaradiofactory?三、单项选择1.TheBrowns___anicecarandBrown'sbrother__anicejeep.A.have,haveB.has,hasC.have,hasD.has,have2.Iftheirhouse___notlikeours,what___itlooklike?A.is,isB.is,doesC.does,doesD.does,is3.-___youthinkhewillcome?-Ifit___tomorrow,hewillnotcome.A.Do,rainsB.Are,rainsC.Do,willrainD.Are,willrain4.Thelittlechild__notevenknowthatthemoon__aroundtheearth.A.do,moveB.do,movesC.does,movesD.did,movedThankYouGoodbye!
本文标题:六年级鲁教版一般现在时语法讲解
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