动词三单变化规则与练习

注意：（动词三单特别形式）go→goes，do→doeshave→has be→is 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. 他喜爱看电视。 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. 王叔叔常常做蛋糕。 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。巩固练习题：（三单形式）2. watch_________3. clean________4. write_______5. teach_______6. wash__________7. have_______ 9. go__________10. do__________11. fly________12. study_______ ---------- (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： ______(do) homework by herself. ______(go) home by bike. giant______(climb) up the beanstalk. mum ______(run) to the goose.(do not)like apple.6,Sam______(put) it under his arm. boy_______(chase) it.(watch)TV everyday.(feed)them at 8:00 in the morning. Wang___(live) in Pudong. girls___(give) the key to Grandpa. key ______(open) the old box. ______(say) “I like these puppets”. doesn’t______(know)her name. can’t_______(find) his watch. _____(do)Grandma live does he______(go)to the post office