动词三单的变化规则.doc

上海恒山教育题库 专项练习（动词的第三人称单数）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。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。 She 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： Everyone is here. 大家到齐了。 There is something wrong with the watch. 这块手表有毛病。 This is a pen. 这是一支钢笔。 That is an eraser. 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： The milk is in the glass. 牛奶在玻璃杯里。 The bread is very small. 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： 6 is a lucky number. 6是个吉利数字。 I is a letter. I是个字母。三单动词的变化规则 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-es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) _ 五、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 dont do her homework on Sundays. _