动词第三人称单数的变化规则及练习同名.doc

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+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 doesn't + 动词原形，如： He goes to school at six in the morning. (变否定句)→ 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. (对划线部分提问)→ 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.were3. 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.Sam’s bicycle ______a bell.A.have B has C.having D.is having8.I every dayA.swim 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.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.don’t eat C.eats D.eat17.The goose_______golden eggs.A.lay B.lays C.layed D.layes17.The woman_______the beanstalk.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 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.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 puppets”.15.What_____(do)Alice find?16.Which toy_____(do) she like?17.He doesn’t______(know)her name.18.John can’t_______(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 don't go to school every day.He goes to school every day. He doesn'tgo to school every day.Do you go to school every day? Yes, I do. (No, I don't) Does he go to school every day?Yes, he does. (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 "don't", doesn’t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 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 evening.？Yes,No, 二、否定句:在动词前+doesn't或don't.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 day?Yes,she does.3._____he_____(live)in Huanggang?  No,he doesn't.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)_________________________________________________。