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.
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