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。 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： ①A horse is a useful animal. 马是有用的动物。 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、不可数名词作主语时为第三人称单数。如： ①The milk is in the glass. 牛奶在玻璃杯里。 ②The 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-s 2．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-es 4. 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. I’m 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? It’s 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. He likes play games after class. __________________ 4. Mr. Wu teachs us English. __________________ 5. She don’t do her homework on Sundays. _________________ 本文来源：https://www.wddqw.com/doc/3c405940084e767f5acfa1c7aa00b52acfc79c35.html