精品文档 大家都知道，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。现归纳总结如下： 一、人称代词he, she, it是第三人称单数。如： 1. He likes cars. 他喜欢车。 2. She goes to school at seven. 她七点去上学。 3. It has a good name. 它有一个好名字。 二、单个人名、亲朋好友等称呼作主语 是第三人称单数。如： 1. Pat never throws rubbish on the floor. Pat从不在地板上扔垃圾。 2. Miss Wang waters the flowers once a day. 王老师给花一天浇水一次。 3. Aunt Mary usually makes cakes. 玛丽阿姨经常做蛋糕。 4. My mother washes the dishes everyday. 我妈妈每天都洗碗。 三、第三人称单数形式的构成 1. 一般直接在词尾加 s， 如：work-works live-lives make-makes 2. 以s, x, ch, sh等结尾的单词加 es , 如： miss-misses fix-fixes finish-finishes teach-teaches 3. 以辅音字母加o结尾的单词，加 es 如: go-goes do-does 4. 特殊变形的有： have-has 四、问句：问句中遇到第三人称单数时，需要用助动词does, 动词变为原形。 What does she like? When does he brush his teeth? How often does your sister comb her hair? 练习一、将括号里动词的适当形式填入横线上。 1. I ________ in the corridors. (walk) 2. He _________ in the corridors. (run) 3. She ___________ her face once a day. (wash) 4. They ____________ their teeth once a day. (brush) 精品文档 精品文档 5. You ___________ up your clothes once a day. (hang) 6. We ____________ our home work once a day. (finish) 7. He ____________ rubbish in the classroom. (throw) 8. She _____________ rubbish on the floor. (throw) 9. I _____________ rubbish in the bin. (throw) 10. They ___________ the table once a day. (set) 11. Peter never _________ in the corridors. (run) 12. Mary usually _________ the table. (set) 13. Pat and Ken _________ the plants in the morning. (water) 14. The boy __________ his hair once a day. (comb) 15. Miss Cheng _________ TV at home. (watch) 16. My sister __________ his schoolbag once a day. (pack) 17. My mother _________ dinner for me. (cook) 18. My parents _________ the house at Chinese New Year. (clean) 19. My teachers _________ us some gifts. (give) 20. My friends _________ the table with me. (set) 练习二、选择正确的单词填到括号里。 1. What does Candy __________ (wants,want) to be ? 2. You __________ (should,shouldn’t) be quiet in the library. 3. He shouldn’t ___________ (throw,throws) rubbish on the floor. 4. Peter ___________ (help,helps) his mother at home. 5. She never _________ (run,runs) in the corridors. 6. We should __________ (walks,walk) in the corridors. 7. He _________ (don’t,doesn’t) get up early. 8. How often __________ (do,does) your father go to bed? 精品文档 精品文档 练习三、将下列句子改成第三人称He的句型（看例句） 例句：I brush my teeth once a day. ---- 改：He brushes his teeth once a day. 1. I comb my hair twice a day. _____________________________________________________________ 2. They go to school at six in the morning. _____________________________________________________________ 3. You wash your face and put on your clothes. _____________________________________________________________ 4. When do you get up? _____________________________________________________________ 5. How often do you hang up your clothes? _____________________________________________________________ 精品文档 本文来源：https://www.wddqw.com/doc/37ee301ac67da26925c52cc58bd63186bceb929e.html