第三人称单数时动词变化规则(共7页).docx

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1、精选优质文档-倾情为你奉上第三人称单数时动词变化规则1、一般现在时主语为第三人称单数时的动词变化在一般现在时中，当主语为第三人称单数时，动词要用“s”型（即第三人称单数形式）。所谓动词“s”型的构成，可按名词变复数的规则来记，即：i） 在动词尾直接加 s。如：playplays， wantwants， workworks， knowknows， helphelps，getgets）ii） 以字母s、x、ch、sh或o结尾的动词加-es；如：guessguesses， fixfixes， teachteaches， brushbrushes， gogoes，dodoes，watchwatches

2、，catchcatches）iii） 以辅音字母y结尾的动词，先变y为i，再加-es。如：studystudies，carrycarries，flyflies，worryworriesiv） 不规则变化：do- does have-has在一般现在时中，当主语是第三人称单数时，谓语动词要用第三人称单数形式，即常在动词原形后加-s或-es。但有些同学们对于哪些主语是第三人称单数还不十分清楚，现归纳总结如下： 一、人称代词he, she, it是第三人称单数。如： He likes watching TV. 他喜欢看电视。 She has lunch at twelve. 她十二点吃午餐。 It

3、looks like a cat. 它看起来像只猫。 二、单个人名、地名或称呼作主语；是第三人称单数。如： Han Mei looks like her mother. 韩梅看起来像她的母亲。 Beijing is in China. 北京在中国。 Uncle Wang often makes cakes. 王叔叔经常做蛋糕。 三、单数可数名词或this / that / the+单数可数名词作主语时，是第三人称单数。如： A horse is a useful animal. 马是有用的动物。 This book is yours. 这本书是你的。 That car is red. 那辆小汽

4、车是红色的。 The cat is Lucys. 这只猫是露茜的。 四、不定代词someone, somebody, nobody, everything, something等及指示代词this, that作主语时，是第三人称单数。如： Everyone is here. 大家到齐了。 There is something wrong with the watch. 这块手表有毛病。 This is a pen. 这是一支钢笔。 That is an eraser. 那是一块橡皮擦。 五、不可数名词作主语时为第三人称单数。如： The milk is in the glass. 牛奶在玻璃杯

5、里。 The bread is very small. 那面包很小。 六、当数字或字母作主语时，看作第三人称单数。如： 6 is a lucky number. 6是个吉利数字。 I is a letter. I是个字母。 第三人称单数练习题一 写出下列动词的第三人称单数相应形式 wash_ match _guess_ study_ finish_ go_ snow_ carry_ drink _ go _ stay _ make _look _ have_ pass_carry _come_ watch_ plant_ fly _study_ brush_ do_teach_ 二 用所给动词

6、的适当形式填空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 bo

7、y _(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 _(d

8、o) _ 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

9、. 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. 三 单项选择1.The students will go to the Summer Palac

10、e 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. la

11、y 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

12、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 h

13、ome 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 t

14、o England. A. to leave B. left C. leaving D. leave四 用括号内动词的适当形式填空1. He often _(have) dinner at home.2. Daniel and Tommy _(be) in Class One.3. We _(not watch) TV on Monday.4. Nick _(not go) to the zoo on Sunday.5. _ they _(like) the World Cup?6. What _they often _(do) on Saturdays?7. _ your parents _

15、(read) newspapers every day?8. The girl _(teach) us English on Sundays.9. She and I _(take) a walk together every evening.10. There _(be) some water in the bottle.11. Mike _(like) cooking.12. They _(have) the same hobby.13. My aunt _(look) after her baby carefully.14. You always _(do) your homework

16、well.15. I _(be) ill. Im staying in bed.16. She _(go) to school from Monday to Friday.17. Liu Tao _(do) not like PE.18. The child often _(watch) TV in the evening.19. Su Hai and Su Yang _(have) eight lessons this term.20.What day _(be) it today? Its Saturday.五 按照要求改写句子1. Daniel watches TV every even

17、ing.(改为否定句)_2. I do my homework every day.(改为一般疑问句，作否定回答)_3. She likes milk.(改为一般疑问句，作肯定回答)_ 4. Amy likes playing computer games.(改为一般疑问句，作否定回答)_5. We go to school every morning.(改为否定句)_6. He speaks English very well.(改为否定句)_7. I like taking photos in the park.(对划线部分提问)_8. John comes from Canada.(对划线部分提问)_9. She is always a good student.(改为一般疑问句，作否定回答)_10. Simon and Daniel like going skating.(改为否定句)_专心-专注-专业