1、否定句变换口诀1. 变否定，找be、 can ， be、can后边加not， 2. 无be无can找动词， 动词前边加don't/doesn’t，后面动词用原形。【典型例题】 1. David watches TV every evening.（改为否定句） 2. She is buying some food in the supermarket（改为否定句） 3. He can play the piano.（改为否定句） 一般疑问句变换口诀1. 一般问，找be、 can ， be、 can提前用问号； 2. 无be无can
2、借用do（三单does）, 放到句首要大写。 【典型例题】 1. This is my toy car.（改为一般疑问句） 2. He can play basketball.（改为一般疑问句） 3. Jack speaks English very well. （改为一般疑问句） 对划线部分部提问口决划线问， 先把原句变疑问， 找准特殊疑问词， 放在句首去划线， 动词词组do代替， 时态人称要注意。 【典型例题】 1. The children are flying kites in the park. （对画线部分提问
3、） 2. There are ten books in the bag.（对画线部分提问） 3. She is a nurse. （对画线部分提问） 一、按要求完成句子（要求：A：改为一般疑问句 B：改为否定句） 1. I am a student.→A: B: 2. They are English cars. →A: B: 3. Th
4、is is a pencil-box. →A: B: 4. Its name is Polly. →A: B: 5. Jim is at school. →A: B: 6. These are my English books. →A: B: 7. I know his name. →A:
5、 B: 8. Please look after your cat. →A: B: 9. There is some money in the purse. →A: B: 10. There are many apples on the tree. →A: B: 11. You can go t
6、o have a look. →A: B: 12. Come here, please. →A: B: 二、回答句子（A：肯定回答 B：否定回答）1. Are you a teacher? →A: B: 2. Is this your ruler? →A: B: 3. Are those banana trees? →A:
7、 B: 4. Is it a nice room? →A: B: 5. Is there a picture on the wall? →A: B: 6. Are there any trees on the hill? →A: B: 7. Can you see a bird in the sky? →A:
