第三人称单数用法讲解及练习题.doc

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.Jane watches TV every day.三、 动词三单的变化规则1、 一般情况下直接加s，如speak-speaks, like-likes, play-plays2、 以s, x, sh, ch, o 结尾的加es，如 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和doesnt 在句子中的用法否定句：主语+dont/doesnt+动词原形+（其他）。如：I dont watch TV. 我不看电视。当主语为第三人称单数时，要用doesnt 构成否定句。如：He doesnt watch TV. 他不看电视。注意doesnt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? Yes, I do. / No, I dont.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 doesnt.特殊疑问句：疑问词+一般疑问句。如：How 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。drink _ go _ stay _ make _ have_ pass_ carry come_ plant_ fly _ study_ brush_ look _ teach_ watch_ B、用括号内动词的适当形式填空。1.He often _(have) dinner at home.2.We _ (not watch) TV on Monday.3.Nick _ (not go) to the zoo on Sunday.4._ they _(like) the World Cup?5._ your parents _(read) newspapers every day?6.The girl _(teach) us English on Sundays.7.She and I _(take) a walk together every evening.8.Mike _(like) cooking.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 from Monday to Friday.13.Liu Tao _(do) not like PE.14.The child often _(watch) TV in the evening.15.Su Hai and Su Yang _(have) eight lessons this term.16. Mikes sister _ (cook) nice food. I _ (like) eating it very much.17._ (do) your father_ (watch) TV in the evening? No, he_ (not). 18.Tom usually_ (play) football after school19. He _ (live) in a small town near Nanjing.20.I _ (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) to sing songs.6. She (read / reads) books every day.7. He (play / plays) computer games every day.8. It (listen / listens) 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 playing football. 3 Linda swims every day. 4 They like playing 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 home 3. Miss Green likes dancing very much. 4. we clean the classroom._ _5. My mother cooks the meals. 6. I clean the bedroom everyday._ _7.They read books in the classroom. 8. The children sing in the music room.