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1)一般情况下加s get—gets like---likes 2)以s, x, ch, sh, o结尾的加es: watch---watches go---goes do---does 3)以辅音字母加y结尾的，改y为i，加es carry---carries 特殊： have---has (二)情态动词can 情态动词(can, may, must )后动词用原形。如： I can play the guitar. He can play the violin. (三)几个动词的用法： 1、 let后用动词原形 Let’s play soccer. 2、 like及介词后动词用ing形式， 如：be good at swimming, help kids with singing, like playing basketball, What about playing tennis? 3、 want/ need加 to 再加原形 4、 help +人+动词原形 help+sb. 5、 +with sth. /doing sth. 5、ask +人+ to +动词原形 ask sb. to do sth. Exercises: 一、用be的适当形式填空。 1. I _________ a student. 2. __________ your father a worker﹖ Yes, he __________. 3. Six and thirteen ________ nineteen. 4. This __________ an apple. 5. Where __________ my books﹖ 6. The price of the trousers ________ $55. But the black ones ________ $52. 7. Here ________ a photo of my cousins. In the photo ________ my aunt and uncle, too. 8. These ___________her bags, and there ________ some money and two notebooks in one bag. 9. How much _________the T-shirt? 10. How much __________ the socks? 11. Our mother _________forty. 12. You can _________ in our school music club. 13. I want to ________ a teacher. 14. Let’s ___________friends. 15. He and I _________friends. 16. How much ________ the pair of shoes? 17. Mary and Tom ___________ students. 18. Someone __________ in the room. 19. What ________ your brother’s favorite sports? 20. When _________ your sisters’ birthday? 二、完成句子。 1. I _________ (know) the boy. 2. They __________(go) to work on Saturdays. 3. He usually _____________(come) to school early. (责任编辑：admin) |