动词及句型转换 1、动词的种类(四类) (1 )系动词： 如 be 动词(is am are) ; become, sound 等 (2)情态动词如 can、may、need； (3)助动词( do does)； (4)行为(实义)动词如 take 、 bring、 eat、 have(has)、 like、 sell、 buy、 play、 see、 go、 watch 等 2 、动词的第三人称单数(与名词的复数一样) 如 eat(eats) take (takes) buy (buys) play (plays) have(has) is (are)3、动词的时态(一般现在时)(1)含有be动词的有be动词的句子在变一般疑问句时，将be动词放到句首，(注意第一人称变为第 二人称Are you a Chinese boy ?Is she twelve ?Is he Tims brother ?含有be动词的句子在变否定句时只须在“be动词后+not” 注意：someTany andTorIm not aShe isntHe is notHer mother(2) 含有情态动词的句子(She can play basketball.His mothers cousin can sing 含有情态动词的句子在变一般疑问句时只须将“情态动词放到句首”Can she play basketball ?Can his mothers cousin sing many English songs ? 含有情态动词的句子在变否定句时直接在情态动词的后边加上not。 注意： someTany andTor 例：She can not play basketball .His mothers cousin can(3) 含有行为动词的句子We have many friends.They watch TV at 7 inThe students take theirI have lunch at schoolYou have a sister . 含有行为动词的句子在变一般疑问句时要在原句子的前面加do.Chinese boy. twelve .Tims btother . isnt an English can 等,teacher .以can为例 ），many English songs.not sing many English songs .the evening . books to school .Doyouhave manyfriends ?Dotheywatch TVat 7 inthe evening ?Dothestudents take theirbooks to schoolDoyouhave lunchatschool ?Doyouhave asister ?含有行为动词的句子在变否定句时只须在行为动词前加do n t . 注意： someTa nyan dTorWe dont have many friends.They dont watch TV at 7 in the evening .The students dont take their books to school .I dont have lunch at school .You dont have a sister .含有行为动词的句子，当主语是第三人称单数时，行为动词要加S (或es)如：She has a red pen .He has eggs for breakfast .Her mother buys a skirt for her .She likes thrillers .My brother watches TV every evening .He wants to go to a movie .含有行为动词的句子，当主语是第三人称单数时，变一般疑问句要“加does，行为 动词要还原”。Doesshehave a red pen ?Doeshehave eggs forbreakfast ?Doeshermother buy askirt forher ?Doesshelike soccer？Doesyourbrother watchTV everyevening？Doeshewant to go toa movie？注意： someTa ny含行为动词的句子，当主语是第三人称单数时，变否定句时“在行为动词前面加 doesnt ，同时原行为动词要还原”。 注意： someTany andTorShe doesnt have a red pen .He doesnt have eggs for breakfast .Her mother doesnt buy a skirt for her .She doesnt like thrillers .My brother doesnt watch TV every evening .He doesnt want to go to a movie . 练习 be动词：be动词有三兄弟：is, am, are。丨（我）用am, you（你）用are, is跟 着he（他）she（她）it（它），we（我们）you（你们）和they（他们），复数（两人以上） 永远连着are. 解析: 丨 am； You are; He is; She is; It is; We are; You are; They are. (1) 、在下面的题目中填上恰当的 Be 动词。 1. I Kitty. 2. She a student. 3. Jane and Tom my friends. 4. My sisters tall. 5. I at school now. 6. We students. 7. They in the zoo. 8. Yang Ling ten years old. 9. Where your friends? 10. How old you? 11. Ia student. 12. You a doctor.13.she Kitty?14. you Chinese?15. He in Shanghai.16. It a car.17. They cars18. your mother in the room?19. your friends in the room?20. What your name?21. These buses.22. Those oranges.(2)、在下面的短文中填上恰当be动词。I a girl. My name Mary.I 12 years old.Here my family photo.Look! These my parents and thoseThis boy my brother.He 15years old now.That mycat, Mimi.It verylovely.my grandparents.（3）、在横线上填写be动词的正确形式，然后变成一般疑问句并做肯定与否定回答 1.I a boy. you a boy?2.The girl hisYes, I am/ No, I am not sister.3. Miss Zhanga teacher.4.Thismy dress.5. Thatmy red skirt.2. 主语（非第三人称单数）+行为动词原形+其他（用助动词do帮助构成否定句、 一般疑问句和特殊疑问）3. 主语（第三人称单数）+行为动词的第三人称单数+其他（用助动词does帮助构 成否定句、一般疑问句和特殊疑问句）行为动词第三人称单数加-s的形式1.- s 2. 辅音+y: study-studies 3.以 s,x,ch,sh 结尾 watch-watches teach-teaches4 特殊 have-has do-does go-goes do 类动词（行为动词）用原型或第三人称单数形式。“原形动词+ s / es”构成“第三人称单数形式”，与单数名词变复数名词方法一 样。（1）、一般情况,动词后直接加 s （清辅音后读 / s /,浊辅音后读/ z /） 例如：brings带来calls打电话meets遇见needs需要、以字母e结尾的动词，直接加s （读/ z（3）、以字母s, x, ch, sh, o结尾的动词，加 例如：does 做 goes 走，去 watches 观看/)例如：likes es (读 / z /喜欢takes带走 或 / Iz/）z /)（4）、以“辅音字母+ y”结尾的名词，变y为i,加es （读/ 例如：study T studies学习（思考：enjoy play have的第三人称单数形式是）练习： 1)His parents (watch) TV every night. 1) My brother (do) homework every day. 2)His parents (not watch) every night. 否定句 2)My brother (not do) homework every day. 3)his parents(watch) TV every night?Yes, they . No, they . 一般疑问句 3) your brother ( do )homework every day?Yes, he. No, he . 4)Whenhis parents (watch) TV?They watch TV every night. 特疑问句 4)When your brother (do) homework?He does homework every day. 本块习题 : 用所给词的正确形式填空 1 、 I ( have ) a soccer ball . 2 、 She ( have ) two ping-pong balls . 3 、 He ( play ) sports every day . 4 、We