动词第三人称单数的变化规则及练习

1、一、使用情况：在一般现在时中，当主语是第三人称单数时，谓语动词要用第三 人称单数形式，即常在动词原形后加-s或-es。（标志词usually often always sometimes never every 等）、变化规那么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、以辅音字母+y接尾的动词：变y为i+es例如：fly-flies以元音字母+y接尾的动词后+s例如：play-plays5、除上述规律外，还应注意下面三点：1）动词h

2、ave ,遇到主语是第三人称单数时，要用 has；动词be的第三人称 单数形式是is。2含有动词第三人称单数形式的句子变否认句时，要用 doesn't +动词原形， 如： He goes to school at six in the morning.变否认旬）- He doesn't go to school at six in the morning.3）对含有动词第三人称单数形式的句子提问时，要用助动词does如： She goes home at five every day.（对戈U线局部提问）-When / What time does she go注意： 不去见那

3、么变化： havehas, beis, dodoesI写出以下动词的第三人称单数（-s）和现在分词（-ing）go do play jump swim run put sing dance come get have fly studyread write look drink eat walk like 页脚下载后可删除，如有侵权请告知删除!II选择1. Ben a new book.A. have B. has C. haves D. were2. Ben and Mary some books.A. have B. has C. are D. were3. I some stories

4、every day.A. have B. has C. are D. were4.1 ice cream.5. Kitty English every day6.A man in front of his car.7.Sam' s bicycle a bell.A.have B has C.having D.is having8.I every day9.He his homework every day.10. I my homework every day.11.They their homework every day.11.Lucywith her hands.12.Super

5、dogthe boys13.Supergirl and Superdogthem.A.savesB.save C.savingD.is saving14 .Jacktheir cow.A.sells B.sell C.selling D.are selling15 .Jackup the beanstalk.16 .The giant boys.17 .The goosegolden eggs.18 .The womanthe beanstalk.19 .Her mother the beanstalk.A.take B.is take Ctakes D. taking19Jack andhe

6、r mother happerA.doesB.are C.is D. have20 .Hethe beans in the ground.二填空：21 She (do) homework by herself.2 .Jack (go) home by bike.3 .The giant(climb) up the beanstalk.4 .Her mum (run) to the goose.5 .He(do not)like apple.6 ,Sam(put) it under his arm.7 .The boy(chase) it.8 .Kitty(watch)TV everyday.9

7、 .He(feed)them at 8:00 in the morning.10 .When (do)he get up?11 .Grandma Wang_(live) in Pudong.12 .The girls_(give) the key to Grandpa.13 .That key (open) the old box.14 .She (say) “ I like these p up.pets15 .What(do)Alice find?16 .Which toy(do) she like?17 .He doesn t(know)her name.18 .John can t(f

8、ind) his watch.19 .Where (do)Grandma live?20 .How does he(go)to the post office?页脚下载后可删除，如有侵权请告知删除！三、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 school every day.I don't go to school every day.He goes to school every day.He doesn't go to school every day.Do you go to school every day?Yes, I do. (No, I d

9、on't)Does he go to school every day?Yes, hedoes. (No, he doesn'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 变为疑问旬，要在旬首加"do" does ;变为否认句，要在动词前面加 "do not ,does not",可以简写为"don't", doesn't一、把以下句子改成一般疑问句并做肯定、否认答复。1. I usually get up at six o ' clock.Do you us

10、ually get up at six ?Yes, I do . /No, I don ' t .2. We usually write e-mails on Saturday eveningYes, No,3. They have the same hobby.Yes,No, 4. Suhai and Su yang like listening to music after school.Yes,No, 5. Helen usually watches TV in the evening.Yes, No, 二、否认句：在动词前+doesn't或don't.1. Sh

11、e(do)her homework every day.2. He(live)in Huanggang.3. The girl(look)out of the window 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 does.2.she(do)her homework every day?Yes, she does.3 .he(live)in Huanggang? No, he doesn't.4 .

12、Does Danny(see)the apple tree?四、按照要求改写句子：1. I do my homework every day.帔为一般疑问句，作否认答复)2. She likes milk.(改为一般疑问句，作肯定答复)3. Amy likes playing computer games.改为一般疑问句，作否认答复)4. We go to school every morning.改为否认旬)5. I like taking photos in the park.附划线局部提问)6. John comes from_Canada对划线局部提问)7. Simon and Dan

13、iel like going skating.做为否认句)五、改错（划出错误的地方，将正确的写在横线上）1. Is your brother speak English? 2. Does he like going fishing? 3. He likes play games after class. 4. Mr. Wu teaches us English. 5. Shedoesn' do her homework on Sundays.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

14、 PE? No, she.3. What the students have? They have some pens.4. How Linda go to school? She goes to school on foot.5. He not speak English. He speaks Chinese.6. they watch TV on Sundays? Yes, they.7. My father and mother not read newspapers on Saturday.三、句型转换1. I go to school by bus.第He做主语变否认句）2. Kim

15、 plays baseball very well.（变一般疑问句）3. David doesn like learning French.变肯定句4. Alan doesH t watch TV on school nights.变肯定旬5. We have enough time to do it.变否认旬）6. Snoopy has a car.对划线局部提问7. Do you have a pencil?（巴主语改成 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, som

16、etimes he (ride) his bike.But he (be) never late for work. He (work) very hard.Jim(like) his father very much. They oftenplay badminton 羽毛球in front of their house, sometimes they (play) table tennis in Jim' s school.Jim(like) to talk with his father. His father(like) to hear Jim talking about his