第三人称单数用法讲解及练习题

1、动词第三人称单数形式讲解一、什么是第三人称单数？人称可分为三类：第一人称、第二人称和第三人称第一人称：I we第二人称： you第三人称： he、she it、they 和人名类（如：Peter、Jane my father 等）结合以上知识，第三人称单数就是he、she、it和单个的某人，也包括单个的动物、东西等。二、动词为什么要变成相应的三单形式？在一般现在时中，跟在第三人称单数后面的动词也要变成相应的三单形式，例如：I watch TV every day.如果主语是三单，动词要变化：He watches TV every day.She watches TV every day.I J

2、ane watches TV every day.三、动词三单的变化规则1、 一般情况下直接加 s，女口 speak-speaks, like-likes, play-plays2、 以 s, x, sh, ch, o 结尾的力口 es,女口 wash-washes, go-goes, do-does, watch-watches3、以辅音字母+y结尾的，改y为i再加es,如study-studies，try-tries4、特殊变化，如 have-has四、does禾口 doesn't在句子中的用法否定句：主语+don'/doesn'+动词原形+ （其他）。如：I do

3、n 'watch TV.我不看电视。当主语为第三人称单数时，要用doesn't构成否定句。如：He does n'watch TV.他不看电视。注意doesn't后面用动词原形 watch，而不是watches一般疑问句：Do / Does+主语+动词原形+ （其他）。如：Do you watch TV?Y es, I do. / No, I don't.当主语为第三人称单数时，要用does构成一般疑问句。如:Does she watch TV? Yes, she does. / No, she doesrt.特殊疑问句：疑问词+一般疑问句。如：How

4、do you go to school? By bike.How does Jane go to school? By bus.五、动词第三人称单数形式的练习A、写出下列动词的第三人称单数。drinkgostaymakehavepasscarrycomepla ntflystudybrushlookteachwatchB、用括号内动词的适当形式填空。1. He ofte n(have) dinner at home.2. We(not watch) TV on Mon day.3. Nick(not go) to the zoo on Sun day.4. they(like) the Wor

5、ld Cup?5. your pare nts(read) n ewspapers every day?6. The girl(teach) us En glish on Sun days.7.She and I(take) a walk together every eve ning.8. Mike(like) cooki ng.9. They(have) the same hobby.10. My aunt(look) after her baby carefully.11. You always(do) your homework well.12.She(go) to school fr

6、om Mon day to Friday.13. Liu Tao(do) not like PE.14. The child ofte n(watch) TV in the eve ning.15.Su Hai and Su Yang(have) eight less ons this term.16. Mike ' s sister(cook) nice food. I(like) eating it verymuch.17. (do) your father(watch) TV in the eve ning?No, he(no t).18. Tom usually(play) f

7、ootball after school19. He(live) in a small tow n n ear Nanjing.20.1(go ) to school by bus, and he(go) to school by bike.C、选出正确的答案：1. She (like / likes) to play football. 2. He (like / likes) drinking milk.3. I (like / likes) to watch TV .4. We (like / likes) to play badminton.5. They (like / likes)

8、 to sing son gs.6. She (read / reads) books every day.7. He (play / plays) computer games every day.8. It (liste n / liste ns) to the radio every day.9. Linda (draw / draws) pictures every day.10. Jane and Linda (play / plays) football every day.D、把下列句子变为否定句：1. She draws pictures every day. 2. We like play ing football.3 Linda swims every day. 4 They like play ing games.5. My father reads newspaper in the evening. 6. He likes drawing pictures .E、把下列句子变为疑问句，并做肯定回答。1. My father can ride a horse. 2. she does her homework at home3. Miss Gree n likes dancing very much. 4. we clea n the classroom