动词第三人称单数的变化规则及练习

动词第三人称单数的变化规则及练习一、变化规则1、直接在动词后+s例如：like-likesplay-plays2、以s,x,sh,ch,接尾的动词：+es例如：wash-washes3、以辅音+o接尾的动词：+es例如：go-goes4、以辅音+y接尾的动词：变y为i+es例如：fly-flies动词短语：+s:Plays,skips,sings,gives,starts,likes,buyssometoys,getsupcomesbackhomemakesnoodles,eatslunchdrinkscoffeebeginshisclass,practisesthepiano+es:watchesTVbrusheshisteethgoestobedgoestoschooldoesmyhomeworkdoessomereadingy→i+es:fly→fliesstudy→studies注意：不规则变化：have-----has，be-------is，do-----does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________do_________teach_______二、请看下面两组句子，注意区分他们的共同点和不同点。Igotoschooleveryday.Idon'tgotoschooleveryday.Hegoestoschooleveryday.Hedoesn'tgotoschooleveryday.Doyougotoschooleveryday?Yes,Ido.(No,Idon't)Doeshegotoschooleveryday?Yes,hedoes.(No,hedoesn't)注：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,doesn’t。课堂练习一一、把下列句子改成一般疑问句并做肯定、否定回答。1．Iusuallygetupatsixo’clock.Doyouusuallygetupatsix?Yes,Ido./No,Idon’t.2.Weusuallywritee-mailsonSaturdayevening？Yes,No,3.Theyhavethesamehobby.？Yes,No,4.SuhaiandSuyanglikelisteningtomusicafterschool.？Yes,No,5.HelenusuallywatchesTVintheevening.？Yes,No,二、否定句:在动词前+doesn't或don't.1.She__________(do)herhomeworkeveryday.2.He__________(live)inHuanggang.3.Thegirl__________(look)outofthewindowandseesmanybirdsinthesky.4.Jennyrunshomeand__________(sit)onthechair.三、一般疑问句:1._____thedesk_____(have)fourlegs?Yes,itdoes.2._____she____(do)herhomeworkeveryday?Yes,shedoes.3._____he_____(live)inHuanggang?No,hedoesn't.4.DoesDanny_____(see)theappletree?四、按照要求改写句子：1.Idomyhomeworkeveryday.(改为一般疑问句，作否定回答)________________________________________________________2.Shelikesmilk.(改为一般疑问句，作肯定回答)____________________________________________________________3.Amylikesplayingcomputergames.(改为一般疑问句，作否定回答)___________________________________________________4.Wegotoschooleverymorning.(改为否定句)_______________________________________________________5.Iliketakingphotosinthepark.(对划线部分提问)________________________________________________________6.JohncomesfromCanada.(对划线部分提问)___________________________________________________7.SimonandDaniellikegoingskating.(改为否定句)___________________________________________________五、改错(划出错误的地方，将正确的写在横线上)1.IsyourbrotherspeakEnglish?__________________2.Doeshelikegoingfishing?__________________3.Helikesplaygamesafterclass.__________________4.Mr.WuteachesusEnglish.__________________5.Shedoesn’tdoherhomeworkonSundays._________________课堂练习二一、写出所给词的第三人称单数形式sitswimreadmakerunwritehavegodowatchcrystudyplaysaywash二、用do或does的适当形式填空1._____yourideabiketoschool?Yes,I________.2.______yoursisterlikePE?No,she________.3.What_______thestudentshave?Theyhavesomepens.4.How_______Lindagotoschool?Shegoestoschoolonfoot.5.He_______notspeakEnglish.HespeaksChinese.6._______theywatchTVonSundays?Yes,they_______.7.Myfatherandmother______notreadnewspapersonSaturday.三、句型转换1.Igotoschoolbybus.(用He做主语变否定句)________________________________________2.Kimplaysbaseballverywell.(变一般疑问句)________________________________________3.Daviddoesn’tlikelearningFrench.（变肯定句）________________________________________4.Alandoesn’twatchTVonschoolnights.（变肯定句）________________________________________5.Wehaveenoughtimetodoit.(变否定句)________________________________________6.Snoopyhasacar.（对划线部分提问）______________________________________________________________7.Doyouhaveapencil?(把主语改成she)________________________________________________________________四、动词的适当形式填空Jim’sfather(work)inabank.He(go)toworkbybuseverymorning,sometimeshe(ride)hisbike.Buthe(be)neverlateforwork.He(work)veryhard.Jim(like)hisfatherverymuch.Theyoften（play）badminton（羽毛球）infrontoftheirhouse,sometimesthey(play)tabletennisinJim’sschool.Jim(like)totalkwithhisfather.Hisfather(like)tohearJimtalkingabouthisfriendsandhisschool.OnSaturdayorSunday,theyoften(play)onthecomputer.Jim(have)manycomputergames.Buthedoesn’t(play)themeveryday.Healso(work)hardathislessons.