动词第三人称单数变化规则及练习

1、动词第三人称单数变化规则1、大多数动词在词尾加“ S在清辅音后发音为S，在浊辅音及元音后发音为z。如：stop - stops s ; make - makes s2、 以辅音字母加 “y结尾的，要先将“y变为“i,"然后在加“esi读iz女口： fly flies z ； carry - carries z3、 以 “ s, x, ch, sh结尾的，在词尾加“ eq"发音为iz女口： teach teaches iz; watch watches iz4、以“ o纟吉尾的动词，加“ es,"读z女口： go goes z二. 动词变现在分词的变化规则：1. 直

2、接在动词原形后面加 -ing。如：read -reading cook -cooking talk -talking2. 以不发音的字母 e结尾的动词把 e去掉加-ing。如：write 宀writing make 宀making3. 以一个辅音字母加一个元音字母结尾的重读闭音节单词，要双写最后一个辅音字母再加-ing。如：run t running cut f cuttingswim f swimming三. 名词单复数详解（1）.名词可以分为可数名词和不可数名词，不可数名词没有单复数，一律看作单数。例如：food, meat, bread, tea, water, milk, ink, o

3、range,drink, rice,等。（2）.可数名词的单数前什么时候用a，什么时候用an?答：以元音音标开头的用an,以辅音音标开头的用 a。注意：我们看的是音标，而不是兀音字母。1选择a或an或者不填 佣/来表示）orangespen bag apple big apple banana orange orange penhour 小时 house haus房子 umbrella 雨伞university 大学2用 a/an 填空： Is itChinese book orEnglish book?This isring, and it is orange ring.Mary is En

4、glish teacher. Tom is Chinese teacher.This isbike. It ' s old bike. This istelephone number. I lost my keys. It ' s set of keys.This ispeach. That ' s orange. Is there _umbrella on the desk? There is _picture on the card. apple is a kind of fruit. I' d lik_egg. Is there map on the wa

5、ll? That isID card. It ' s_apple, not _pear. You have banana, but I have egg. There is _island in the sea. I have _ old book. There is armchair in the living room. Look, there isbird in the tree. There isbench in the park.（3）.可数名词的变化规则:般规则:1一般在词尾加s,如：books，bags，fruits。加s之后的读音规则：清清浊浊，即清辅音后读清辅音s，如

6、books s浊辅音后读浊辅音z，女口 bags z元音音标后面读z，女口 boys zt后读ts,d后读dz如：catsts birdsdz2以 s、x、ch、sh 结尾的名词加 es,读iz如：busbuses iz 公交车 boxboxes iz盒子 watchwatches iz手表3以辅音字母加y结尾的名词，变y为i再加es,读iz;以元音字母加y结尾的名词直接在词尾加s。如：baby babies beibiz4以 f、fe 结尾的名词变 f、fe 为 ves读vz女口： wolf wulf 狼wolves 写出下列名词的复数：wife （妻子）一life （生命）一knife （

7、小刀）一5以o结尾的名词加es的有：hero英雄Nigro 黑人tomato西红柿potato 土豆，其他的以o结尾的名词直接在词尾加s女口： zoozoosphotophotos(4)名词复数的不规则变化：man men男人 woman women 女人 tooth teeth 牙齿 foot feet 脚 goose geese 鹅mouse mice 老鼠 child children孩子（5）单复同形的名词有：Chinese 中国人Japanese日本人sheep绵羊deer鹿ish鱼注意：fish当一条鱼讲时，单复数同形，如three fish.当各种各样的鱼讲时，即强调鱼的种类时，

8、要加es如：all kinds of fishes .各种各样的鱼当鱼肉讲时，不可数。（6）名词修饰名词时的复数情况:a man teacher 一个男老师 two men teachers 两个男老师 a woman teacher 一个女老师two women teachers 两个女老师只变为复数。如:a girl student 一个女学生two girl students 两个女学生（7）不可数名词的用法：1不可数名词前面不能用 a，an来修饰，但可以与the连用，表示特指。2不可数名词不能和具体的数词 （one, two，three，-等）连用。3不可数名词不能用指示代词 this

9、 , that , these, those来修饰，但可以用some, much来修饰。例如：some orange 一些橘汁 much water许多水常用的不可数名词有三类，液体：water （水）coffee（咖啡）juice（果汁）等例如：a cup of water 一杯水 a bottle of juice 一瓶果汁 肉类 meat肉，beef牛肉，pork猪肉，mutton羊肉等。注意：肉类中 chicken为鸡肉时不可数，为小鸡时可数 固定用法:bread面包；rice大米，米饭；grass草；glass，当"玻璃"讲不可数：hair头发当满头白发中的几根黑

10、发时，或满头黑发中的几根白发时可数。weather天气；fun有趣的事或人;advice建议；information 信息4不可数名词 量”的表示方法：在英语中，不可数名词如果要表示量”的概念，可以用以下两种方法: 用 much, a little, a lot of/lots of, some, any 等表示多少。例如：There is some milk in the bottle.瓶子里有一些牛奶。Is there anywater in the glass? 杯子里有水吗？ 用a piece(bottle, glass这)类定语表示。例如：a piece of paper 一张纸 a

11、 piece of bread 一片面包 a bottle of orange 一瓶橘汁 a glass of milk 一杯牛奶四、动词的过去式及过去分词的构成：规则动词的变化：动词特征变化例 词一般动词词尾加-edlook- looked, looked以e结尾词尾加-dlive- lived, lived以辅音字母+Y'结尾变y为，再加-edcarry-carried, carried以重读闭音节或r音节结尾，且末尾只有一个辅音字母双写该辅音字母，再加-edstop- stopped, stopped练习题：1. Thereon the wall .They are very b

12、eautiful.A. are photoes B. are photosC. is a photoD. is photos2. This kind of car made in Shanghai.A. is B .are C .were D .has3. There are four _and two _in the group. A. Japanese, Germen B Japaneses, GermenC. Japanese,German D.Japanese, Germans4. That ' aart book.A. an B. a C. the D are5. The b

13、oys have got6. The old man wants7. There8. Theretwoalready._.A. six boxes of apples B.some in the river.A. is ,fishin the box.A. is watch9. We should cleanA. two breadB. two breadsC. two pieces of bread D. two piece of bread six boxes of apple C. six box of apples D. six boxs of applesB. are, fishs

14、C. is, fishs D. are ,fishB. are watches C. are watch D. is watchestwice a day.10. Themeeting room is near the reading room.11. In Britain _are all painted red.12. Tom is strong and heto school every day.13.Sometimes sheto me on Sundays.14.Jenny is a nurse andin Town Hospital.15. My mother usuallyup

15、at 5:30 in the morning.16. The twin sistersfootball. A.don't like17. -whereyou come from? -Ifrom China.18all your names.A.do knowB. our tooths C.teeth D.our teethA.teacherA.l etter boxesA.walkedA .our toothA.callA.worksB.teacher ' s C.teachers 'B.l etters boxes C.l etter boxB.walksC.will

16、 walkD.teachersD.l etters boxD.has walkedB.is callingB.workA.getB.doesn't likeA.are; am B.don't knowC.callsC.workedC.will getD.will callD.had workedB.gotC.not likeB.do; amC.doesn'tD.getsD.aren't likeC.are; doD.knowsD.do; doC.hasD.cookC.Can; they D. Do;weI. The boy( draw) a picture no

17、w.3. My mother( cook ) some nice food now.5. Look . They( have) an English lesson .7.Look! the girls(dance ) in the classroom .9. It ' s 5 o ' clock now. We(have) supper nowII. Mike(stay) at home on Sundays.13. Wang Fang often(do) her homework in the evening.15. My brother(watch) TV every ev

18、ening.17.you(get) to school at 7:30 every day?19. your mother(cook) for you every day?21、Someone( cry)， let's go and see who it is23、Tom(have) a big family.25、They often(do) their homework on Saturday afternoon.三.写出下列动词的第三人称形式和ing形式。1. givecarry 5. draw6. tellwatch 10. forget 四用动词的适当形式填空。B.have1

19、9. He oftendinner at his grandparents' home.A.eat20. - Sandy and her sister like walking together? -yes,do.A.Do; theyB.Does; they二、用所给的动词的正确形式填空:2. Listen .Some girls( sing) in the classroom .4. Whatyou( do ) now?6. They(not ,water) the flowers now.8.What is our granddaughter doing? She(listen )

20、 to music.10.Helen(wash ) clothes? Yes ,she is.12. My sister(not like) eggs at all.14. Li Lei often(play) computer games.16.(be) you from the USA? Yes,I.18.Whatyour uncle(teach) in your school?20.(be) your sister a nurse? No, she.22、Look! They(shop) over there.24、Can you(send) the postcard for me?2.

21、 stop 3. move 47. see8.wear9.1. We often(play) in the playground.2. He(get) up at six o' clock.3.you(brush) your teeth every morning.4. What (do)he usually (do)after school?5. Danny(study) English, Chinese, math, science and art at school.6. Mike sometimes(go) to the park with his sister.7. At e

22、ight at night, she(watch) TV with his parents.8. Mike(read) English every day?9. How many lessonsyour classmate(have) on Monday?10. What timehis mother(do) the housework?11. I(talk).You(listen)tO me now.12. Look,the boy(run)fast.13.What are you doing?I(do) my homework.14.the students(read) English.

23、Yes,they are.15. Tom(not study)English.He is studying Chinese.16. Who(sing)a song? Li Ying is.17. The girl(not eat)bananas now.18. Wherethey(stand)?They are standing over there. 19. Look ！ The boy over there20. What is Meimei doing now?She(watch)TV with her parents21. Tom and Mary (come) to China la

24、st month.22. Mike (not go) to bed until 12 o23. Mary (read) English yesterday morning.24. There (be) no one here a moment ago.26.I listened but (hear) nothing.28.Last week we (pick) many apples on the farm.310.She watches TV every evening. But she ' clockt. lSasotIn_ig_h(get ) up late.25.I 27.To

25、m 29.My mother (not watch) TV last night.(play) a model plane.(call) Mike this morning._ (begin) to learn Chinese last year. (not do) housework yesterday.31.your father ( go ) to work every day last year?32. What time you (get) to Beijing yesterday?We (get) to Beijing at 9:00 in the evening.33.What

26、(make) him cry ( 哭) just now? 34.Last year the teacher (tell) us that the earth moves around the sun.35.There a telephone call for you just now. (be) 36.There not enough people to pick apples that day. ( be)37. There any hospitals ( 医院) in my hometown ( 家乡) in 1940. ( be not)38. There enough milk at

27、 home last week, wasn't the3re9?.Eli40. -Whenyou(come) to China? - Last year.41. Did she (have) supper at home?按要求变换句型。1. Father bought me a new bike. (同义句)2. Frank read an interesting book about history.3. He 's cleaning his rooms. (划线提问) 4. Why not go out for a walk? (同义句) to Japan last we

28、ek. ( move)42.Jack(not clean) the room just now.5. Thomas spent RMB 10 on this book. (否定句) Thomas 6. My family went to the beach last week. (划线提问) 7. I didn 't have any friends. (一般疑问句) 8. I think she is Lily 's sister. (否定句) 9. Sally often does some reading in the morning. (否定句) Sally10. He

29、 is a tall, thin boy. (划线提问) he六.单项选择题。 () 1. Alice often play the piano.(16. The boy is late for class.So he says to the teacher,"(Father bought一般疑问句) _ he ? out for a walk?RMB 10 on this book. fa m i l y last week? friends?Frank me.an interesting book about history?haveoften _?No, she _.A. Do

30、; do A. Do; live B. Do; lives He gets home at four on Friday.B. dancedsome reading in the morning.( ) 1.)2. your pen friend in Beijing?)3. -When he get home on Friday?)4. I like very much. What about you?)5. Summer spring. A. comes after)6. Fangfang is a good student. She math.)7. The kite a bird.A.

31、 look like)8. Bill and I good friends. A. is)9. Sandy often his homework on Sundays .)10. What do you usually do on the weekend? I usually_ )11. The Greenssupper now. A:is having)12. The children areTV .A:watch B:seeingC:watching)13. Are the boys looking at the blackboard? Yes,they. A:aren't)14.

32、 -Do you have a red pen?Which of the following is wrong? -.A:Yes; I have one)15.-Excuse me.May I borrow a pen,please-. A:It doesn't matter; B:Thank you;A. danceB. comes in A. does good at B. is looking B. areB. Does; does C. Does; doesn t' D. Do; doesC. Does; live D. Does; livesA. doB. does

33、C. didD. dosn'tC. dancing D. is dancingD.comes forC. does well inD. do well inC.comes beforeB. well do it C. looks likeC. am D. beA. do B. does C. did D. don 'tD. looks at_. A. went swimmingB. go swimming C. going swimming D.is swimmingB:are having C:is haveing D:are have ingB:seeing C:watching D:reading B:do)17. What do you usually do on your holiday? - usually)18. I a student.