动词第三人称单数的变化规则及练习_共5页

1、动词第三人称单数的变化规则及练习、变化规则1、直接在动词后+S例如：like- likesplay-p lays2、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:+es :Plays, skips, sin gs, gives, starts, likes,buys some toys, gets up comes back homemakes no odles, eats lunch drinks coffeebegi ns h

2、is class , p ractises the pianowatches TV brushes his teethgoes to bed goes to schooldoes my homework does some readi ngyT i+ es: fly t fliesstudy Tstudies注意： 不规贝U变化： havehas beis, dodoes写出下列动词的第三人称单数drinkgostaymakelookhavepasscarrycomewatchp la nt.flystudybrushdoteach、请看下面两组句子，注意区分他们的共同点和不同点。I go t

3、o school every day.I dont go to school every day.He goes to school every day.He does nt go to school every day.Do you go to school every day?Yes, I do. (No, I dont)Does he go to school every day?Yes, he does. (No, he does nt)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 d

4、onot,does not可以简写为dont, doesn。 t课堂练习一、把下列句子改成一般疑问句并做肯定、否定回答。1. I usually get up at six oclock.Do you usually get up at six ?Yes, I do . /No, I don2. We usually write e-mails on Saturday eve ningYes,No,3. They have the same hobby.Yes,No,4. Suhai and Su yang like liste ning to music after school.Yes,N

5、o,5. Hele n usually watches TV in the eve ning.Yes,No,二、否定句：在动词前+doesn或dont.1. She(do)her homework every day.2. He(live)in Huan gga ng.3. The girl4. Jenny runs home and(sit)on the chair.三、一般疑问句：2.the desk(have)four legs? Yes, it does.she(do)her homework every day?Yes, she does.(live)i n Huan gga ng?

6、 No, he does nt.4. Does Danny(see)the apple tree?3.he四、按照要求改写句子:1.1 do my homework every day.（改为一般疑问句，作否定回答）2. She likes milk.（改为一般疑问句，作肯定回答）3. Amy likes playing computer games.（改为一般疑问句，作否定回答）4. We go to school every morning.改为否定句)(look)out of the win dow and sees many birds in the sky.5. I like tak

7、ing photos in the park.对划线部分提问）6. John comes from Canada对划线部分提问）7. Sim on and Dani el like going skat in g.（改 为否定句）五、改错伐U出错误的地方，将正确的写在横线上）1. Is your brother sp eak En glish?2. Does he like going fish ing?3. He likes play games after class.4. Mr. Wu teaches us En glish.5. She doesn t do her homeworSi

8、oidays.课堂练习二、写出所给词的第三人称单数形式sit swimreadmakerunwritehavegodo.watchcry.studyplay.saywash1.2.、用do或 does的适当形式填空you ride a bike to school? Yes, Iyour sister like PE? No, she3. Whatthe stude nts have? They have some pens.4. How5. He_ Linda go to school? She goes to school on foot. not sp eak En glish. He

9、sp eaks Chin ese.6.they watch TV on Sun days? Yes, they三、句型转换1.1 go to school by bus.用He做主语变否定句)2. Kim plays baseball very well.(变一般疑问句)3. David doesn t like learFiragich.(变肯定句)4. Alan doesn t watch TV on school nigh变肯定句)5. We have eno ugh time to do it.变否定句)6. Sn oo py has a car/对划线部分提问)7. Do you h

10、ave a pencil?把主语改成 she)四、动词的适当形式填空Jim s father(work) in a bank.He(go) to work by bus every morning, sometimes he(ride) hisbike.But he(be) n ever late for work. He(work) very hard.Jim(like) his father very much. They often(p lay)(p lay) tablebadminton (羽毛球)in front of their house, sometimes theytenn is in Jims school.Jim(like) to talk with his father. His father(like) to hear Jimtalk ing about his frie nds and his school.