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注意：（动词三单特殊形式）go→goes，do→doeshave→hasbe→is哪些主语是第三人称单数?现归纳总结如下：一、人称代词he,she,it是第三人称单数。如：HelikeswatchingTV.他喜欢看电视。hehaslunchattwelve.她十二点吃午餐。Itlookslikeacat.它看起来像只猫。二、单个人名、地名或称呼作主语；是第三人称单数。如：①HanMeilookslikehermother.韩梅看起来像她的母亲。②BeijingisinChina.北京在中国。③UncleWangoftenmakescakes.王叔叔经常做蛋糕。Bobdoeshishomeworkeveryday.鲍勃每天都做家庭作业三、单数名词或this/that/the+单数可数名词作主语时，是第三人称单数。如：②Thisbookisyours.这本书是你的。③Thatcarisred.那辆小汽车是红色的。④ThecatisLucy's.这只猫是露茜的。四指示代词this,that作主语时，是第三人称单数。如：③Thisisapen.这是一支钢笔。④Thatisaneraser.那是一块橡皮擦。巩固练习题：（三单形式）1.work_______2.watch_________3.clean________4.write_______5.teach_______6.wash__________7.have_______8.read________9.go__________10.do__________11.fly________12.study_______13.She----------(watch)TV.I----------(watch)TV.I写出动词的第三人称单数work________read_______clean______write______teach_______guess______watch______study________cry________play______have______match______finish______carry______say________godoplayjumpswimrunputsingdancecomegethaveflystudyreadwritelookdrinkeatwalklike二．填空：1.She______(do)homeworkbyherself.2.Jack______(go)homebybike.3.Thegiant______(climb)upthebeanstalk.4.Hermum______(run)tothegoose.5.He______(donot)likeapple.6,Sam______(put)itunderhisarm.7.Theboy_______(chase)it.8.Kitty______(watch)TVeveryday.9.He______(feed)themat8:00inthemorning.11.GrandmaWang___(live)inPudong.12.Thegirls___(give)thekeytoGrandpa.13.Thatkey______(open)theoldbox.14.She______(say)“Ilikethesepuppets”.17.Hedoesn’t______(know)hername.18.Johncan’t_______(find)hiswatch.19.Where_____(do)Grandmalive?20.Howdoeshe______(go)tothepostoffice?