三单动词的变化规则 1．一般情况下，直接加-ss 2．以 s. x. sh. ch. o 结尾，加-ses 3．以“辅音字母+y”y””结尾，变 y” 为 i, 再加-ses 4. 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 Saturday”s? 7. _______ y”our parents _______(read) newspapers every” day”? 8. The girl _______(teach) us English on Sunday”s. 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 alway”s _______(do) y”our homework well. 15. I _______(be) ill. I’m stay”ing 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 play”ing 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 alway”s 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 y”our 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 Sunday”s. _________________