不規則變化：do- does have-has在一般現在時中，當主語是第三人稱單數時，謂語動詞要用第三人稱單數形式，即常在動詞原形后加-s或-es。但有些同學們對于哪些主語是第三人稱單數還不十分清楚，現歸納總結如下： 一、人稱代詞he, she, it是第三人稱單數。如： 1.He likes watching TV. 他喜歡看電視。 2.She has lunch at twelve. 她十二點吃午餐。 3.It looks like a cat. 它看起來像只貓。 二、單個人名、地名或稱呼作主語；是第三人稱單數。如： 1.Han Mei looks like her mother. 韓梅看起來像她的母親。 2.Beijing is in China. 北京在中國。 3.Uncle Wang often makes cakes. 王叔叔經常做蛋糕。 三、單數可數名詞或this / that / the+單數可數名詞作主語時，是第三人稱單數。如： 1.A horse is a useful animal. 馬是有用的動物。 2.This book is yours. 這本書是你的。 3.That car is red. 那輛小汽車是紅色的。 4.The cat is Lucys. 這只貓是露茜的。 四、不定代詞someone, somebody, nobody, everything, something等及指示代詞this, that作主語時，是第三人稱單數。如： 1.Everyone is here. 大家到齊了。 2.There is something wrong with the watch. 這塊手表有毛病。 3.This is a pen. 這是一支鋼筆。 4.That is an eraser. 那是一塊橡皮擦。 五、不可數名詞作主語時為第三人稱單數。如： 1.The milk is in the glass. 牛奶在玻璃杯里。 2.The bread is very small. 那面包很小。 六、當數字或字母作主語時，看作第三人稱單數。如： 1.6 is a lucky number. 6是個吉利數字。 2.I is a letter. I是個字母。 單三規則1、大多數動詞在詞尾加“S”如：stopstops s ; makemakes s readreads z ; playplays z2、以輔音字母加“y”結尾的，要先將“y”變為“i”，然后在加“es”讀iz 如：flyflies z； carrycarries z studystudies z; worryworries3、以“s, x, ch, sh”結尾的，在詞尾加“es”，發音為iz 如：teachteaches iz; watchwatches iz4、以“o”結尾的動詞，加“es”， 如：gogoes z dodoes z注：下面幾個動詞變為單數時，原詞的元音部分的發音發生了較大的變化，請注意記憶。 如：1、do du:does dz 2、say seisays sez以不發音字母“e”結尾的開音節詞，如果尾音是s，z時，加“s”后字母“e”發音，與所加“s”一起讀做iz。 如：closecloses iz動詞第三人稱單數形式的練習一、寫出下列動詞的第三人稱單數。drink _ go _ stay _ make _ look _have_ pass_ carry _ come_ watch_plant_ fly _ study_ brush_ teach_wash_ match _ guess_ study_ finish_ go_ snow_ carry_ 二、用括號內動詞的適當形式填空。1.He often _(have) dinner at home.2.We _(not watch) TV on Monday.3.Nick _(not go) to the zoo on Sunday.4._ they _(like) the World Cup?5.What _they often _(do) on Saturdays?6._ your parents _(read) newspapers every day?7.The girl _(teach) us English on Sundays.8.She and I _(take) a walk together every evening.9.There _(be) some water in the bottle.10.Mike _(like) cooking.11.They _(have) the same hobby.12.My aunt _(look) after her baby carefully.13.You always _(do) your homework well.14.I _(be) ill. Im staying in bed.15.She _(go) to school from Monday to Friday.16.Liu Tao _(do) not like PE.17.The child often _(watch) TV in the evening.18.Su Hai and Su Yang _(have) eight lessons this term三、 用所給動詞的適當形式填空：1. He_ TV every evening. (watch)2. We always _ to school on foot. (go)3. Tom, with his classmates, often _ football after school. (play)4. Your shoes _ under the bed. (be)5. _ here and _ by me. (come, stand)6. His uncle usually _ to work by bus. (go)7. I always _ up at six in the morning.(get)8. John _ like his father. (look)四、選擇() 1. _ you have a book?A. DoB. AreC. IsD. Have()2. They _ on a farm.A. workingB. is workC. workD. is worked() 3. Does Peter like to watch TV?_.A. Yes, he likeB. No, he doesntC. Yes, hed likeD. No, he likes()4. She doesnt _ her homework in the afternoon.A. doingB. to doC. doesD. do()5. How _ Mr. Brown _ to America?A. do,goB. is,goC. does,goD. does,goes()6. Wheres my camera? I_ it.A. am not findingB. am not seeingC. cant findD. cant look at()7. How_ he go to work?He _ to work by bike.A. does ;goB. do;goesC. do ;goD. does;goes()8. _ you usually late for school?No, _.A. Do ; I amB. Does ;notC. Are ; Im notD. Are ; I arent()9. _ she _ home at six every day?A. Is , leaveB. Does , leaveC. Is , leavesD. Does , left()10. Mr. Yang _ English this term.A. teaches ourB. teaches usC. teachs usD. teach our五、填空.1.She_ _(do)her homework every day.2.He_ _(live)in Huanggang.3.He_ _(need)a pair pf shoes.4.Danny_ _(see)the apple tree?5.She_ _(come)from America.6.The girl_ _(look)out of the window and sees many bieds in the sky.7.Jenny runs home and_ _(sit)on the chair.8.Let him _(play)basketball.9.Everyone_(know)what he really like.10.Tose girls_(be)my sister.11.That girl_(call)me evety Sunday.12.How_(do)she_(spell)the word?六、用括號里所給詞的適當形式，寫出下列句子的否定句。1.The desk _ _ (have)four legs.2. She _ _ (do) her homework every day.3. Danny_ _ (fall) and breaks his tail.4. He _ _ (live) in Shijiazhuang.5. He _ _ (need) a pair of shoes.6. Danny_ _ (see) the apple tree.7. She_ _ (come) from America.8. My mother and father_ _ (walk) to the office every day.9. Danny and her mother sometimes _ _ (go) for a walk after supper.11. That hat _ _ (look) like a cat.七用正確形式填空1. Ling Ling and I (have) ten story-books.2. He (speak) very good English.3. This skirt (look) like Marys.4. Ted (do) his homework after his supper.5. Some of my friends (come) from the USA, but Sam (come) from the UK.6. My brother (study) very hard. He (like) Maths very much.7. We (want) to be happy every day.8. Everyone (want) to learn from Lei Feng.9. The Greens (live) in a small village.10. My father is very strong. He can (carry) heavy box easily動詞第三人稱鞏固練習題： I.寫出下列動詞的相應形式： 1. 第三人稱單數： wash_ match _guess_ study_ finish_ go_ snow_ carry_ II. 用所給動詞的適當形式填空： 1I _(write) to you as soon as I _(get) to London. 2. He doesnt feel well and _(not eat) any food this morning. 3. He _ not _(see) me come in, for he _(read) something with great interest. 4. I _(let) you have the book as soon as I _(finish) it. 5. While we _(wait) for our teacher, a little boy _(run) up to us. 6. Dont make a noise. Grandpa _(sleep). 7.Its seven now, Toms family_(watch) TV. 8. It _(take) me two hours to finish my homework last night. 9. What _ your mother _(do) at eight yesterday evening? She _(wash) clothes. 10. _ it _ (rain) when school was over yesterday? 11. What _(do) _ tomorrow? We _ (play) football. 12. There _ (be) a football match on TV this evening. 13. They said they _ (visit) the Great Wall the next summer holiday. 14. Who _ (dance) the best in your class? 15. Will you come if he _ (not come)? 16. The teacher told us the earth _ (move) round the sun. 17. They _ (have) a party in the garden if it _ (not rain) tomorrow. 18 She _ (buy) a sweater yesterday. 19. I dont know if Mr.Wang _ (go) to Shanghai tomorrow. If he _ (go), I _ (ask) him _ (take) some books to my daughter, because she _ (study) there. III單項選擇： 1.The students will go to the Summer Palace if it _ tomorrow. A.dont rain B. doesnt rain C. wont rain 2. There _ an English film next week. A. will have B. is going to have C. is going to be D. was going to be 3. The picture _ nice. A. looks B. is looked C. look D. is looking 4. She _ down and soon fell asleep. A. live B. lain C. laid D. lay 5. They _ the office at nine yesterday morning. A. reached to B. arrived C. went D. get to 6. We shall go to Shanghai on business before you _ back next week. A. wil come B. came C. would come D. come 7. Dont smoke until the plane _ off. A. takes B. took C. was taken D. is take 8. I saw her _ the room this morning. A. to enter() B. entered C. enter D. enters 9.the teacher asked us _ to school on time. A. to come B. coming C. come D. comes 10. John is always _ others. A. help B. helping C. helps D. to help 11. He told us _ at eight. A. working B. to work C. work D. worked 12. Youd better _ at home and _ your homework. A. to stay, do B. stay, do C. to stay, to do D. stay, to do 13. He sat down _ a rest. A. having B. have C. to have D. had 14. Uncle Wang knows _ a washing machine. A. how to make B. to make C. how making D. what to make 15. Jim decided _ Polly to Ling Feng when he was back to England. A. to leave B. left C. leaving D. leave第三人稱單數問題一般現在時中，當主語是第三人稱單數時，即常在動詞原形后加-s或-es。第三人稱單數變化，現歸納總結如下：1.人稱代詞he, she, it是第三人稱單數。如：He likes watching TV.他喜歡看電視。She has lunch at twelve.她十二點吃午餐。It looks like a cat.它看起來像只貓。2.單個人名、地名或稱呼作主語；用第三人稱單數。如：Han Mei looks like her mother.韓梅看起來像她的母親。Beijing is in China.北京在中國。Uncle Wang often makes cakes.王叔叔經常做蛋糕。4.不定代詞someone, somebody, nobody, everything, something等及指示代詞this, that作主語時，第三人稱單數。Everyone is here.大家到齊了。 There is something wrong with the watch.這塊手表有毛病。This is a pen.這是一支鋼筆。 That is an eraser.那是一塊橡皮擦。5.不可數名詞作主語時為第三人稱單數。如： The milk is in the glass. The bread is very small.動詞原形變第三人稱單數的規則與發音規律同名詞單數變復數大致相同，請認真觀察。1、大多數動詞在詞尾加“S”如：stopstops s ; makemakes s readreads z ; playplays z2、以輔音字母加“y”結尾的，要先將“y”變為“i”，然后在加“es”讀iz 如：flyflies z； carrycarries z studystudies z; worryworries3、以“s, x, ch, sh”結尾的，在詞尾加“es”，發音為iz 如：teachteaches iz; watchwatches iz4、以“o”結尾的動詞，加“es”， 如：gogoes z dodoes z注：下面幾個動詞變為單數時，原詞的元音部分的發音發生了較大的變化，請注意記憶。 如：1、do du:does dz 2、say seisays sez以不發音字母“e”結尾的開音節詞，如果尾音是s，z時，加“s”后字母“e”發音，與所加“s”一起讀做iz。 如：closecloses iz作業I. 寫出第三人稱單數：wash_ match _guess_ study_ finish_ go_ snow_ carry_III. 完成句子1該吃晚飯了。Its time to _ _.2你想來點兒面包嗎?Wwould you _ some _ ?3安娜太小，還不能上學。Ann is _ young _ go to school.4約翰跑得和我一樣快。John _ as fast as me.5布萊克太太經常在英語上幫助我們。Mrs. black often _ us _ our english .請看下面兩組句子，注意區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) Yes, he does. (No, he doesnt)Does he go to school every day?注：1）第三人稱單數用了 does 后面就不用動詞的s形式了,而用動詞原形.2）變為疑問句,要在句首加do does ; 變為否定句, 要在動詞前面加do not ,does not, 可以簡寫為 dont.doesnt課堂練習一、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 . Nno .二、用詞的適當形式填空。1.What time_ his father_(do) the work?2.He _(get) up at five oclock.3._you_(brush) your teeth every morning.4.What _ ( do ) he usually _( do ) after school?5.Tom _ ( study ) English, Chinese, Maths, Science and Art at school.6. Kitty sometimes _(go) to the park with his sister.7.At eight at night, she _( watch ) TV with her parents.8._Mike_( read ) English every day?9.How many lessons_ your classmates_( have ) on Monday?10.We often_ ( play ) football in the playground.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._he_(need)a pair of shoes? NO,he doesnt.5.Does Danny_(see)the aoole tree?6._she_(come)from America?Yes,she_.7._the girl_(look)out of the window and sees many birds in the sky?No,she_.8._Jenny runs home and_(sit)on the chair?9. My father is very strong. He can (carry) heavy box easily.）寫出下列動詞的三單形式：have are run guess try study catch stay destroy wash match guess finish go carry 2）用動詞的適當形式填空：He（be） a boy. He（have） got a book. He (like) to (go) to school.My mother (do not) like red .A boy with two cats (go) home.Two