动词+s的变化规则

　　1．一般情况下，直接加-s，如：cook-cooks, milk-milks

　　2．以s. x. sh. ch. o结尾，加-es，如：guess-guesses, wash-washes, watch-watches, go-goes 以o结尾的有四个特例只加s: zoos,  piano,  photos, radios.

　　3．以“辅音字母+y”结尾，变y为i, 再加-es，如：study-studies, 以元音加y结尾的名词，直接加s,如： boys,

　　4, 以f, fe结尾的改f, fe为ves.如： wife---wives

　　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)

　　___________________________________________________

　　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 don’t do her homework on Sundays. _________________