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一般现在时中的第三人称单数形式在一般现在时中，当主语是第三人称单数时，谓语动词要用第三人称单数形式，即常在动词原形后加-s或-es。什么是一般现在时？一般现在时的基本用法有哪些呢？【一般现在时的功能】1.表示事物或人物的特征、状态。如：Theskyisblue.天空是蓝色的。2.表示经常性或习惯性的动作。如：Igetupatsixeveryday.我每天六点起床。3.表示客观现实。如：Theearthgoesaroundthesun.地球绕着太阳转。一、人称代词he,she,it是第三人称单数。如：HelikeswatchingTV.他喜欢看电视。Shehaslunchattwelve.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。三、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：①Ahorseisausefulanimal.马是有用的动物。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、不定代词someone,somebody,nobody,everything,something等及指示代词this,that作主语时，是第三人称单数。如：①Everyoneishere.大家到齐了。②Thereissomethingwrongwiththewatch.这块手表有毛病。③Thisisapen.这是一支钢笔。④Thatisaneraser.那是一块橡皮擦。标志词（时间状语）：always,everyweek(day,year,month…),onceaweek,every…,sometimes,at…,onSundayuausllyoften,never,hardly..........五、不可数名词作主语时为第三人称单数。如：①Themilkisintheglass.牛奶在玻璃杯里。②Thebreadisverysmall.那面包很小。六、当数字或字母作主语时，看作第三人称单数。如：①6isaluckynumber.6是个吉利数字。②Iisaletter.I是个字母。动词第三人称单数+s或+es的规则：1.一般情况下在动词后直接+s。2.以ch,sh,s,x,o结尾的+es。3.以“辅音字母+y”结尾的把y变i加es。4.have的第三人称单数为has。关于do和does的使用方法：1）第三人称单数用了does后面就不用动词的s形式了,而用动词原形.2）变为疑问句,要在句首加dodoes;变为否定句,要在动词前面加donot,doesnot,可以简写为don't.背：Ido,youdo,wedo,theydo,JackandTomdo.Hedoes,shedoes,itdoes,lilydoes.（三）含有动词第三人称单数形式的句子变否定句和疑问时怎样变？【注意：】只要句子中出现do,does,don’t,doesn’t,句子中原来的实意动词要用原形例如：Helikesapples.(改成否定句)Hedoesn’tlikesapples。(错)Hedoesn’tlikeapples。(对)A否定句：（1）当主语是第一，二或复数时，主语+don't+动词原形(+其它)。如：Idon'tlikebread.（2）当主语为第三人称单数时，要用doesn't构成否定句。如：Hedoesn'toftenplay.B一般疑问句：（1）当主语是第一，二或复数时，Do+主语+动词原形+其它。如：Doyouoftenplayfootball?-Yes,Ido./No,Idon't.(2)当主语为第三人称单数时，要用does构成一般疑问句。如：-Doesshegotoworkbybike?-Yes,shedoes./No,shedoesn't.C特殊疑问句：疑问词+一般疑问句。如：Howdoesyourfathergotowork?小学第三人称单数练习题一．Do还是Does我来选。1.[Do/Does]______hewatchTVatnight?Yeshedoes.2.[Do/Does]______yougotoschooleveryday?No,Idon’t.3.[Do/Does]______JackandPeterlikeapples?4.[Do/Does]______TinagoswimmingonSunday?5.[Do/Does]______theyplayfootball?Yes,they___[do/does].6.[Do/Does]______wehaveagoodteacher?Yes,we____[do/does].7.[Do/Does]_____theyjumprope?No,they___[donot/doesnot].8.[Do/Does]_____yourdogwalkinthezoo?9.[Do/Does]____Ihaveabignose?No,you_____[donot/doesnot].10.[Do/Does]____yourcatseatfish?Yes,they_____.[do/does].11.[Do/Does]_____theirmothersgoshopping?No,they____[donot/doesnot].12.I___[donot/doesnot]speakJapanese.[Do/Does]_____youspeakJapanese?二．请用have或has填空。1．I________anicepicture.2．He________agoodfriend.3．They_________somekites.4．We________someflowers.5．She__________aduck.6．Myfather__________anewbike.7．Hermother_________avase.8．Ourteacher_________anEnglishbook.9．Ourteachers_________abasketball.10．Theirparents__________somestorybooks.11．Nancy_______manyskirts.12．David________somejackets.13．Myfriends________afootball.14．Whatdoyou________?15．WhatdoesMike________?三．请用动词的适当形式填空。1.Lethim_____(play)basketball.2.Everyone_____(know)whathereallylike.3.Thosegirls____(be)mysister.4.Thatgirl_____(call)meeverySunday.5.How___(do)she_____(spell)theword?6.He________TVeveryevening.(watch)7.Wealways________toschoolonfoot.(go)8.Tom,withhisclassmates,often______footballafterschool.(play)9.Yourshoes_______underthebed.(be)10.______hereand______byme.(come,stand)11.Hisuncleusually_________toworkbybus.(go)12.Ialways______upatsixinthemorning.(get)13.John________likehisfather.(look)四．否定句:在动词前+doesn't或don't.1.She__________(do)herhomeworkeveryday.2.He__________(live)inShangHai.3.He__________(need)apairpfshoes.4.Danny__________(see)theappletree?5.She__________(come)fromAmerica.6.Thegirl__________(look)outofthewindowandseesmanybirdsinthesky.五．请用动词的适当形式填空。1._____thedesk_____(have)fourlegs?Yes,itdoes.2._____she____(do)herhomeworkeveryday?Yes,shedoes.3._____he_____(live)inHuanggang?No,hedoesn't.4._____he_____(need)apairofshoes?NO,hedoesn't.5.DoesDanny_____(see)theappletree?6._____she_____(come)fromAmerica?Yes,she_____.7._____thegirl_____(look)outofthewindowandseesmanybirdsinthesky?No,she_____.8.Jennyrunshomeand_____(sit)onthechair?六．请选出正确的答案：1.She(like/likes)toplayfootball.2.He(like/likes)drinkingmilk.3.I(like/likes)towatchTV.4.We(like/likes)toplaybadminton.5.They(like/likes)tosingsongs.6.She(read/reads)bookseveryday.7.He(play/plays)computergameseveryday.8.It(listen/listens)totheradioeveryday.9.Linda(draw/draws)pictureseveryday.10.JaneandLinda(play/plays)footballeveryday.七、选择题：1.Itoschooleveryday.A.goB.goesC.going2.Heteetheverymorning.A.brushB.brushesC.brushing3.Thebirdssinging.A.likeB.likesC.liketo4.WhatdoesLilydoing?A.likeB.likesC.to5.youlikeeatingapples?A.DoB.DoesC.Doing6.heswimeveryafternoon?A.DoB.DoesC.Doing7.Tomlikesintheclassroom.A.singingB.singC.tosinging8.–DoesSallylikeswimming?--No,she.A.doB.doesC.doesn`t9.PeterandMarymilkeveryday.A.drinkB.drinkingC.drinks10.theyreadEnglisheveryday?A.DoesB.AreC.Do八、把下列句子变为否定句：1.Shedrawspictureseveryday.2.Welikeplayingfootball.九、把下列句子变为一般疑问句，并做肯定回答。1.Lindaswimseveryday.?2.Theylikeplayinggames.?