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1、精选优质文档-倾情为你奉上动词第三人称单数的变化规则及练习一、 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)二、变化规则1、直接在动词后+s 例如： like- likes play-plays 2、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+
2、s例如：play-plays5、除上述规律外，还应注意下面三点： 1) 动词 have ，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定句时，要用 doesnt + 动词原形，如： He goes to school at six in the morning. (变否定句) He doesnt 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. (对划线部分提问)
3、 When / What time does she go 注意：不规则变化：have-has，be-is，do-doesI 写出下列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 study read write look drink eat walk like 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. we
4、re3. I some stories every day. A. have B. has C. are D. were4.I _ ice cream.A.like B.likes C.liking D.likees5. Kitty_ English every dayA.read B.reades C.reading D.reads6.A man _in front of his car.A.walk B.walks C.walking D.work7.Sams bicycle _a bell.A.have B has C.having D.is having8.I every dayA.s
5、wim B.swims C.swiming D.swimes9.He his homework every day.A.does B.do C.are D.is10. I _ my homework every day.A.do B.is C.does D.are11.They _ their homework every day.A. do B.does C. is D.are11.Lucy_with her hands.A.touch B.touching C.touches D.touchs12.Superdog_the boysA.see B.sees C.seeing D.ses13
6、.Supergirl and Superdog_them.A.saves B.save C.saving D.is saving14.Jack_their cow.A.sells B.sell C.selling D.are selling15.Jack_up the beanstalk.A.gets B.get C.climb D.climbs16.The giant _boys.A.eating B.dont eat C.eats D.eat17.The goose_golden eggs.A.lay B.lays C.layed D.layes17.The woman_the beans
7、talk.A.cut B.cutting C.are cut D.cuts18.Her mother _the beanstalk.A.take B.is take Ctakes D. taking19Jack andher mother _happerA.does B.are C.is D. have20.He_the beans in the ground.A.buy B.puts C.put D.buys二填空：1.She _(do) homework by herself.2.Jack _(go) home by bike.3.The giant_(climb) up the bean
8、stalk.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.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 b
9、ox.14.She _(say) “I like these puppets”.15.What_(do)Alice find?16.Which toy_(do) she like?17.He doesnt_(know)her name.18.John cant_(find) his watch.19.Where _(do)Grandma live?20.How does he_(go)to the post office?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 dont go to school every day.He go
10、es to school every day. He doesnt 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 doesnt)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 not ,does not, 可以简写为 dont, doesnt。一、把下列句子改成一般疑问句并
11、做肯定、否定回答。1I usually get up at six oclock.Do you usually get up at six ?Yes, I do . /No, I dont .2. We usually write e-mails on Saturday evening ？ Yes, 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
12、evening. ？ Yes, No, 二、否定句:在动词前+doesnt或dont.1. She_ _(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 da
13、y?Yes, she does.3._he_(live)in Huanggang? No, he doesnt.4. Does Danny_(see)the apple tree?四、按照要求改写句子：1. I 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)_5. I like taking photos i
14、n the park.(对划线部分提问)_6. John comes from Canada.(对划线部分提问)_7. Simon and Daniel like going skating.(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. Isyour brother speak English? _2. Does he like going fishing? _3. He likes play games after class. _4. Mr. Wu teaches us English. _5. She doesnt do her homework on Sunday
15、s. _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. 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 fathe
16、r and mother _ not read newspapers on Saturday.三、句型转换1. I 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 doesnt like learning French. （变肯定句） _4. Alan doesnt watch TV on school nights. （变肯定句） _5. We have enough time to do it. (变否定句) _6. Snoopy has a car. （对划线部分
17、提问） _ _7. Do you have a pencil? (把主语改成she) _ _四、动词的适当形式填空Jims father (work) in a bank. He (go) to work by bus every morning, sometimes he (ride) his bike. 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, so
18、metimes they (play) table tennis in Jims school. Jim (like) to talk with his father. His father (like) to hear Jim talking about his friends and his school. On Saturday or Sunday, they often (play) on the computer. Jim (have) many computer games. But he doesnt (play) them every day. He also (work) hard at his lessons. 专心-专注-专业