名词n.不可数名词un.可数名词cn.复数pl.动词v.助动词aux.v情态动词modalv.形容词adj.副词adv.代词pron.介词prep连词conj.冠词art.数词num.感叹词int.S=主语;V=谓语;P=表语;O=宾语;O1=间接宾语;O2=直接宾语;C=补语英语词性简写第三人称单数在一般现在时中,当主语是第三人称单数形式时,行为动词(即实义动词)用第三人称单数形式。哪些主语是第三人称单数1.人称代词he,she,it是第三人称单数.1).HelikeswatchingTV.他喜欢看电视.2).Shehaslunchattwelve.他十二点吃午餐.3).Itlookslikeacat.它看起来象只猫.2.单个人名、地名或称呼作主语时,是第三人称单数形式.如:1).HanMeilookslikehermother.韩梅看起来像她的母亲.2).BeijingisinChina.北京在中国.3).UncleWangoftenmakescakes.王叔叔经常做蛋糕.3.单数可数名词或“this/that/the+单数可数名词”作主语时,是第三人称单数.如:1).Ahorseisausefulanimal.马是一种有用的动物.2).Thisbookisyours.这本书是你的.3).Thatcarisred.那辆汽车是红色的.4).ThecatisLucy’s.这只猫是露西的.4.someone,somebody,nobody,everything,something等不定代词及指示代词this,that作主语时,是第三人称单数.如:1).Everyoneishere.大家到齐了.2)Thisisapen.这是一支钢笔.3).Thatisaneraser.那是一块橡皮.5.不可数名词作主语时,为第三人称单数.如:1).Themilkisintheglass.牛奶在玻璃杯里.2).Thebreadisverysmall.那块面包很小.6.当数字或字母做主语时,看做第三人称单数.如:1).“6”isaluckynumber.“6”是个吉利数字.2).“I”isaletter.“I”是个字母.你能分辨出第三人称单数吗?sheBobandTomwehisfatherIthecatsomewatermygrandparentsthisfiveorangesapenChinatheythatboyitthose当第三人称单数作主语时,谓语动词也要变成第三人称单数:1.如果谓语动词是be动词,要用is;2.如果谓语动词是实义动词,实义动词要用第三人称单数形式,即加-s或–es.具体方法如下:动词第三人称单数动词原形变第三人称单数的规则与发音规律同名词单数变复数大致相同:1.一般情况下,直接加-s.清辅音后发音为[s],在浊辅音及元音后发音为[z]。如:work---worksplay---playsrain---rainssee---sees2.以“s,x,ch,sh”结尾的,在词尾加-es,读[iz]。如:wash---washesteach---teachesfix---fixes3.以“o”结尾的动词,加-es,读[z]。如:do---doesgo---goes4.以辅音字母加-y结尾的,先把y变成i,再加-es.读[iz]。如:study---studiesfly---fliescarry---carries5.特殊变形的有:have-has肯定句:主语(He/She/It)+v-s/es+其他e.g.Hestudiesinahighschool.Lucyhasapet.否定句:主语(He/She/It)+does+not+v.+其他e.g.Hedoesn’tstudyinahighschoolLucydoesn’thaveapet.一般疑问句:Does+主语(he/she/it)+V.+其他?e.g.Doeshestudyinahighschool?DoesLucyhaveapet?实义动词(第三人称单数)的一般现在时句式专项练习用括号中所给动词的适当形式填空写出下列动词的第三人称单数drink________go_______stay________make________look_________have_______pass_______carry____come_______watch______plant_______fly________study_______brush________teach_______1.Jack_______(love)hismotherverymuch.2.MaryandLily______(come)fromthesamecountry.3.Thejuice(果汁)_____(be)inthefridge(冰箱).4.“2”______(sound)like“too”.lovescomeissounds5.Thetiger____(be)adangerousanimal.6.Shanghai_______(be)amoderncity.7.Everybody_____(know)JayChou.8.This_____(be)mynewpenpal.isisknowsis9.There_____(be)somebreadonthetable.10.EitherIorhe_____(like)playingsoccer.islikes1.Iambusy.2.IamlearningEnglish.3.Ihaveanewbook.4.Iliveinthecountry.5.Ishallseeyoutomorrow.6.Icanunderstandyou.7.Imustwritealetter.8.Imaycomenextweek.9.Idoalotofworkeveryday.10.Ididalotofworkyesterday.Heisbusy.HeislearningEnglish.Hehasanewbook.Helivesinthecountry.Hewillseeyoutomorrow.Hecanunderstandyou.Hemustwritealetter.Hemaycomenextweek.Hedoesalotofworkeveryday.Hedidalotofworkyesterday.Writethesesentencesagain.BegineachsentencewithHe.