動詞第三人稱單數(shù)的變化規(guī)則及練習.doc

動詞第三人稱單數(shù)的變化規(guī)則及練習一、 使用情況：在一般現(xiàn)在時中，當主語是第三人稱單數(shù)時，謂語動詞要用第三人稱單數(shù)形式，即常在動詞原形后加-s或-es。(標志詞usually often always sometimes never every等)二、變化規(guī)則1、直接在動詞后+s 例如： like- likes play-plays 2、以s, x, sh, ch, 接尾的動詞：+es 例如： wash-washes3、以輔音+o接尾的動詞：+es 例如： go-goes4、以輔音字母+y接尾的動詞：變y為i+es 例如： fly-flies以元音字母+y接尾的動詞后+s例如：play-plays5、除上述規(guī)律外，還應注意下面三點： 1) 動詞 have ，遇到主語是第三人稱單數(shù)時，要用 has； 動詞 be 的第三人稱單數(shù)形式是is。 2）含有動詞第三人稱單數(shù)形式的句子變否定句時，要用 doesnt + 動詞原形，如： He goes to school at six in the morning. (變否定句) He doesnt go to school at six in the morning. 3)對含有動詞第三人稱單數(shù)形式的句子提問時，要用助動詞 does如： She goes home at five every day. (對劃線部分提問) When / What time does she go 注意：不規(guī)則變化：have-has，be-is，do-doesI 寫出下列動詞的第三人稱單數(shù)(-s)和現(xiàn)在分詞(-ing)go do play jump swim run put sing dance come get have fly study read write look drink eat walk like II選擇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.Sams 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.dont 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 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、請看下面兩組句子，注意區(qū)分他們的共同點和不同點。I go to school every day. I dont go to school every day.He goes 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）第三人稱單數(shù)用了 does 后面就不用動詞的s形式了,而用動詞原形.。2）變?yōu)橐蓡柧?要在句首加do does ; 變?yōu)榉穸ň? 要在動詞前面加do not ,does not, 可以簡寫為 dont, doesnt。一、把下列句子改成一般疑問句并做肯定、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 evening. ？ Yes, No, 二、否定句:在動詞前+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、一般疑問句: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 doesnt.4. Does Danny_(see)the apple tree?四、按照要求改寫句子：1. I do my homework every day.(改為一般疑問句，作否定回答)_2. She likes milk.(改為一般疑問句，作肯定回答)_ 3. Amy likes playing computer games.(改為一般疑問句，作否定回答)_4. We go to school every morning.(改為否定句)_5. I like taking photos in the park.(對劃線部分提問)_6. John comes from Canada.(對劃線部分提問)_7. Simon and Daniel like going skating.(改為否定句)_五、改錯(劃出錯誤的地方，將正確的寫在橫線上)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 Sundays. _二、用do或does的適當形式填空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 father and mother _ not read newspapers on Saturday.三、句型轉換1. I go to school by bus. (用He做主語變否定句) _2. Kim plays baseball very well. (變一般疑問句) _3. David doesnt like learning French. （變肯定句） _4. Alan doesnt watch TV on school nights. （變肯定句） _5. We have enough time to do it. (變否定句) _6. Snoopy has a car. （對劃線部分提問） _ _7. Do you have a pencil? (把主語改成she) _ _四、動詞的適當形式填空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, sometimes they (play) table tennis in Jims school. Jim (like) to talk with his father. His father (li