动词的三单形式变化规则

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： Han Mei looks like her mother. 韩梅看起来像她的母亲。 Beijing is in China. 北京在中国。 Uncle Wang often makes cakes. 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： A horse is a useful animal. 马是有用的动物。 This book is yours. 这本书是你的。 That car is red. 那辆小汽车是红色的。 The cat is Lucys. 这只猫是露茜的。四、不可数名词作主语时为第三人称单数。如： The milk is in the glass. 牛奶在玻璃杯里。 The bread is very small. 那面包很小。动词的三单形式变化规则： 1一般情况下，直接加-s2以s. x. sh. ch. o结尾，加-es 3以“辅音字母+y”结尾，变y为i, 再加-es4. have要变has一般现在时用法专练: 一、 写出下列动词的第三人称单数 drink _ go _ stay _ make _ look _ have_ pass_ carry _ come_ watch_ plant_ fly _ study_ brush_ do_ teach_ 二、用括号内动词的适当形式填空。 1. He often _(have) dinner at home. 2. Daniel and Tommy _(be) in Class One. 3. We _(not watch) TV on Monday. 4. Nick _(not go) to the zoo on Sunday. 5. _ they _(like) the World Cup? 6. What _they often _(do) on Saturdays? 7. _ your parents _(read) newspapers every day? 8. The girl _(teach) us English on Sundays. 9. She and I _(take) a walk together every evening. 10. There _(be) some water in the bottle. 11. Mike _(like) cooking. 12. They _(have) the same hobby. 13. My aunt _(look) after her baby carefully. 14. You always _(do) your homework well. 15. I _(be) ill. Im staying in bed. 16. She _(go) to school from Monday to Friday. 17. Liu Tao _(do) not like PE. 18. The child often _(watch) TV in the evening. 19. Su Hai and Su Yang _(have) eight lessons this term. 20. What day _(be) it today? Its Saturday. 三、按照要求改写句子 1. Daniel watches TV every evening.(改为否定句) _ 2. I do my homework every day.(改为一般疑问句，作否定回答) _ _ 3. She likes milk.(改为一般疑问句，作肯定回答) _ _ 4. Amy likes playing computer games.(改为一般疑问句，作否定回答) _ _ 5. We go to school every morning.(改为否定句) _ 6. He speaks English very well.(改为否定句) _ 7. I like taking photos in the park.(对划线部分提问) _ 8. John comes from Canada.(对划线部分提问) _ 9. She is always a good student.(改为一般疑问句，作否定回答) _ _ 10. Simon and Daniel like going skating.(改为否定句) _ 四、改错(划出错误的地方，将正确的写在横线上) 1. Is your brother speak English? _ 2. Does he likes going fishing? _ 3. H