动词三单变化规则与练习

哪些主语是第三人称单数? 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。 he has lunch at twelve. 她十二点吃午餐。 It 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： ①Han Mei looks like her mother. 韩梅看起来像她的母亲。 ②Beijing is in China. 北京在中国。

③Uncle Wang often makes cakes. 王叔叔经常做蛋糕。 Bob does his homework every day. 鲍勃每天都做家庭作业

三、单数名词或"this / that / the+单数可数名词"作主语时，是第三人称单数。如： ②This book is yours. 这本书是你的。 ③That car is red. 那辆小汽车是红色的。 ④The cat is Lucy's. 这只猫是露茜的。

四指示代词this,that作主语时，是第三人称单数。如： ③This is a pen. 这是一支钢笔。 ④That is an eraser. 那是一块橡皮擦。 动词第三人称单数的变化规则 1、直接在动词后+s

like- likes play-plays

2、以s, x, sh, ch, 接尾的动词+es

wash-washes

3、以辅音+o接尾的动词：+es

go-goes

4、以辅音+y接尾的动词：变y为i+es fly-flies study →studies 注意：（动词三单特殊形式） go→goes，do→does have→has be→is

巩固练习题：（三单形式） 1.work_______ 2. watch_________ 3. clean________ 4. write_______ 5. teach_______ 6. wash__________ 7. have_______ 8.read________ 9. go__________ 10. do__________ 11. fly________ 12. study_______

13.She ---------- (watch) TV. I ---------- (watch) TV. I 写出动词的第三人称单数 work________

read_______ clean______ write______ teach_______ guess______ watch______ study________ cry________ play______ have______ match ______ finish______ carry______ say________

go________ do ________ play ________ jump ________ swim________ run________ put________ sing ________ dance________ come________ get ________ have ________ fly ________ study________ read________ write ________ look________ drink ________ eat ________ walk ________ like ________

二．填空：

1.She ______(do) homework by herself. 2.Jack ______(go) home by bike.

3.The giant______(climb) up the beanstalk.

4.Her mum ______(run) to the goose. 5.He______(do not)like apple. 6,Sam______(put) it under his arm. 7.The boy_______(chase) it.

8.Kitty______(watch)TV everyday.

9.He______(feed)them at 8:00 in the morning.

11.Grandma Wang___(live) in Pudong. 12.The girls___(give) the key to Grandpa.

13.That key ______(open) the old box. 14.She ______(say) “I like these puppets”.

17.He doesn’t______(know)her name. 18.John can’t_______(find) his watch. 19.Where _____(do)Grandma live?

20.How does he______(go)to the post office?