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：HelikeswatchingTV.他喜欢看电视。Shehaslunchattwelve.她十二点吃午餐。Itlookslikeacat.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：HanMeilookslikehermother.韩梅看起来像她的母亲。BeijingisinChina.北京在中国。UncleWangoftenmakescakes.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：Ahorseisausefulanimal.马是有用的动物。Thisbookisyours.这本书是你的。Thatcarisred.那辆小汽车是红色的。ThecatisLucys.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：Everyoneishere.大家到齐了。Thereissomethingwrongwiththewatch.这块手表有毛病。Thisisapen.这是一支钢笔。Thatisaneraser.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：Themilkisintheglass.牛奶在玻璃杯里。Thebreadisverysmall.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：6isaluckynumber.6是个吉利数字。Iisaletter.I是个字母。第三人称单数练习一Do还是Does我来选 。1. Do/Does_ he watch TV at night? Yes he does.2. Do/Does_ you go to school everyday? No, I dont.3. Do/Does_ Jack and Peter like apples?4. Do/Does_ Tina go swimming on Sunday?5. Do/Does_they play football? Yes, they _do/does.6. Do/Does_ we have a good teacher? Yes, we _do/does.7. Do/Does_ they jump rope ? No, they _do not/does not.8. Do/Does_your dog walk in the zoo?9. Do/Does_ I have a big nose? No, you _do not/does not.10. Do/Does_ your cats eat fish? Yes, they _.do/does.11. Do/Does_ their mothers go shopping? No, they _do not/does not.12. I _do not/ does not speak Japanese. Do/Does _you speak Japanese?二请用 have或has填空。1I _ a nice picture.2He _ a good friend.3They _ some kites.4We _ some flowers.5She _ a duck.6My father _ a new bike.7Her mother _ a vase.8Our teacher _ an English book.9Our teachers _ a basketball.10Their parents _ some story books.11Nancy _ many skirts.12David _ some jackets.13My friends _ a football.14What do you _ ?15What does Mike _ ?三请用动词的适当形式填空。1.Let him _(play)basketball.2.Everyone_(know)what he really like.3.Those girls_(be)my sister.4.That girl_(call)me every Sunday.5.How_(do)she_(spell)the word?6. He_ TV every evening. (watch)7. We always _ to school on foot. (go)8. Tom, with his classmates, often _ football after school. (play)9. Your shoes _ under the bed. (be)10. _ here and _ by me. (come, stand)11. His uncle usually _ to work by bus. (go)12. I always _ up at six in the morning.(get)13. John _ like his father. (look)四否定句:在动词前+doesnt或dont.1.She_ _(do)her homework every day.2.He_ _(live)in ShangHai.3.He_ _(need)a pair pf shoes.4.Danny_ _(see)the apple tree?5.She_ _(come)from America.6.The girl_ _(look)out of the window and sees many bieds in the sky.五请用动词的适当形式填空。1._the desk_(have)four legs?Yes,it does.2._she_(do)her homework every day?Yes,she does.3._he_(live)in Huanggang?No,he doesnt.4._he_(need)a pair of shoes?NO,he doesnt.5.Does Danny_(see)the apple tree?6._she_(come)from America?Yes,she_.7._the girl_(look)out of the window and sees many birds in the sky?No,she_.8. Jenny runs home and_(sit)on the chair?六请选出正确的答案：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.七、把下列句子变为否定句：1. She draws pictures every day. 2. We like playing football. 八、把下列句子变为一般疑问句，并做肯定回答。1. Linda swims every day.2. They like playing games.