动词第三人称单数的变化规则及练习14426.docx
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动词第三人称单数的变化规则及练习14426
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-plays
2、以s,x,sh,ch,接尾的动词:
+es
例如:
wash-washes
3、以辅音+o接尾的动词:
+es
例如:
go-goes
4、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,getsupcomesbackhome
makesnoodles,eatslunchdrinkscoffee
beginshisclass,practicesthepiano
+es:
watchesTVbrusheshisteeth
goestobedgoestoschool
doesmyhomeworkdoessomereading
y→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_______practice________
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"Do,Does;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.Is yourbrotherspeakEnglish?
__________________
2.Doeshelikesgoingfishing?
__________________
3.Helikesplaygamesafterclass. __________________
4.Mr.WuteachesourEnglish. __________________
5.Shedoesn’tdoesherhomeworkonSundays._________________
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.