動(dòng)詞第三人稱單數(shù)的變化規(guī)則及練習(xí)

1、動(dòng)詞第三人稱單數(shù)的變化規(guī)則及練習(xí)一、變化規(guī)則1、直接在動(dòng)詞后+s例如:like- likes play-plays2、以s, x, sh, ch, 接尾的動(dòng)詞:+es例如:wash-washes3、以輔音+o接尾的動(dòng)詞:+es例如:go-goes4、以輔音+y接尾的動(dòng)詞:變y為i+es例如:fly-flies動(dòng)詞短語(yǔ):+s: Plays, skips, sings, gives, starts, likes,buys some toys, gets up comes back homemakes noodles, eats lunch drinks coffeebegins his class

2、 , practises the piano+es : watches TV brushes his teethgoes to bed goes to schooldoes my homework does some readingy i+ es:fly flies study studies注意:不規(guī)則變化:have-has,be-is,do-does哪些主語(yǔ)是第三人稱單數(shù)?1、人稱代詞he, she, it;如:He likes watching TV. 他喜歡看電視。She has lunch at twelve. 她十二點(diǎn)吃午餐。 It looks like a cat. 它看起來(lái)像只

3、貓。2、單個(gè)人名、地名或稱呼作主語(yǔ);是第三人稱單數(shù)。如:Han Mei looks like her mother. 韓梅看起來(lái)像她的母親。 Beijing is in China. 北京在中國(guó)。Uncle Wang often makes cakes. 王叔叔經(jīng)常做蛋糕。3、單數(shù)可數(shù)名詞或this / that / the + 單數(shù)可數(shù)名詞作主語(yǔ)時(shí),是第三人稱單數(shù);A horse is a useful animal. 馬是有用的動(dòng)物。 This book is yours. 這本書(shū)是你的。 That car is red. 那輛小汽車(chē)是紅色的。 The cat is Lucy's.

4、 只貓是露茜的。4、不可數(shù)名詞作主語(yǔ)時(shí)為第三人稱單數(shù)。如: The milk is in the glass.牛奶在玻璃杯里。 The bread is very small. 那面包很小。 The water is very cold. 那些水很涼。寫(xiě)出下列動(dòng)詞的第三人稱單數(shù)drink _ go _ stay _ make _look _ have_ pass_ carry _come_ watch_ plant_ fly _study_ brush_ do_ teach_二、請(qǐng)看下面兩組句子,注意區(qū)分他們的共同點(diǎn)和不同點(diǎn)。I go to school every day.I don'

5、;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 don'tDoes he go to school every day?Yes, he does. (No, he doesn't注:1第三人稱單數(shù)用了does 后面就不用動(dòng)詞的s形式了,而用動(dòng)詞原形.。2變?yōu)橐蓡?wèn)句,要在句首加"do" does ; 變?yōu)榉穸ň? 要在動(dòng)詞前面加&q

6、uot;do not ,doesnot", 可以簡(jiǎn)寫(xiě)為"don't", doesnt。課堂練習(xí)一一、把下列句子改成一般疑問(wèn)句并做肯定、否定回答。1.I 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 li

7、stening to music after school.?Yes, No,5. Helen usually watches TV in the evening.?Yes, No,二、否定句:在動(dòng)詞前+doesn't或don't.1. She_ _(doher homework every day.2. He_ _(livein Huanggang.3. The girl_ _(lookout of the window and sees many birds in the sky.4. Jenny runs home and_ _(siton the chair.三、一般疑

8、問(wèn)句:1._the desk_(havefour legs? Yes, it does.2._she_(doher homework every day?Yes, she does.3._he_(livein Huanggang? No, he doesn't.4. Does Danny_(seethe apple tree?四、按照要求改寫(xiě)句子:1. I do my homework every day.(改為一般疑問(wèn)句,作否定回答_2. She likes milk.(改為一般疑問(wèn)句,作肯定回答_ 3. Amy likes playing computer games.(改為一般疑

9、問(wèn)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(duì)劃線部分提問(wèn)_6. John comes from Canada.(對(duì)劃線部分提問(wèn)_7. Simon and Daniel like going skating.(改為否定句_五、改錯(cuò)(劃出錯(cuò)誤的地方,將正確的寫(xiě)在橫線上1. Is your brother speak English? _2. Does he like going fishing? _3. He likes play games after class.

10、_4. Mr. Wu teaches us English. _5. She doesnt do her homework on Sundays. _課堂練習(xí)二一、寫(xiě)出所給詞的第三人稱單數(shù)形式sit swim read make run write have go do watch cry study play say wash二、用do或does的適當(dāng)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 som

11、e 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(zhuǎn)換1. I go to school by bus. (用He做主語(yǔ)變否定句_2. Kim plays baseball very well. (變一般疑問(wèn)句_3. Davi

12、d 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(duì)劃線部分提問(wèn)） _ _ 7. Do you have a pencil? (把主語(yǔ)改成 she _ _ 四、動(dòng)詞的適當(dāng)形式填空 Jims father He bike. But he Jim (be never late for work. He (like his father very much. They often (work very hard. （play） badminton (play table tennis in (work in a bank. (go to work by bus every morning, sometimes he (ride his （羽毛球）in front of their house, sometimes they Jims school. Jim (like to talk with his father. His father (like to hear J