动词第三人称单数的变化规则及练习

1、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, sin gs, gives, starts, likes, buys some toys, gets up comes back home makes no odles, eats lunch drinks coffee begins his

2、class , practises the piano+es :watches TVbrushes his teethgoes to bedgoes to schooldoes my homeworkdoes some readi ngy i+ es: fly fliesstudy studies注意： 不规贝U变化： havehas, beis, dodoes写出下列动词的第三人称单数drinkgostaymakelookhavepasscarrycomewatchpla ntflystudybrushdoteach二、请看下面两组句子，注意区分他们的共同点和不同点。I go to scho

3、ol 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 do no

4、t ,doesnot.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 o clock.Do you usually get up at six ?Yes, I do . /No, I don t .2. We usually write e-mails on Saturday eve ning?Yes, No,3. They have the same hobby.?Yes,No, 4. Suhai and Su yang like liste ning to music after school.

5、?Yes,No, 5. Hele n usually watches TV in the eve ning.?Yes, No, 二、否定句：在动词前+doesnt或dont.1. She(do)her homework every day.2. He(live)i n Huan gga ng.3. The girl(look)out of the win dow and sees many birds in the sky.4. Jenny runs home and(sit) on the chair.三、一般疑问句：1. the desk(have)four legs? Yes, it d

6、oes.2. she(do)her homework every day?Yes, she does.3. he(live)i n Huan gga ng? No, he does nt.4. Does Danny(see)the apple tree?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

7、定句)5. I like taking 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 speak En glish? 2. Does he like going fish ing?3. He likes play games after class. 4. Mr. Wu teaches us En glish.5. Shedoes n d

8、ther homework on Sun days.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. you ride a bike to school? Yes, I.2. your sister like PE? No, she.3. Whatthe stude nts have? They have some pens.4. HowLinda go to school? She goes to school on foot.5. Henot spe

9、ak En glish. He speaks Chin ese.6. they watch TV on Sun days? Yes, they.7. My father and mothernot read n ewspapers on Saturday.、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 doesnlike lear ning Fren ch.(变肯定句)4. Ala n doesntwatch TV on school ni ghts.(变肯定句)5

10、. We have eno ugh time to do it.变否定句)6. Snoopy has a car.(对划线部分提问)7. Do you have 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) never late for work. He(work) very hard.Jim(like) his father very much. They often( play) badminton(羽毛球)in front of their house, sometimes they (play) table tennis inJim s school.Jim(like) to talk with his father. His father(like) to hear Jimtalk ing about his frie nds and his scho