陈述句变否定句和一般疑问句口诀和练习
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否定句变换口诀
1. 变否定，找be、 can ， be、can后边加not，
【典型例题】
2. 无be无can找动词，动词前边加don't/doesn’t，后
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；
【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
【典型例题】
1. The children are flying kites in the park. （对画线部分提问）
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. This 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: 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 to 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: 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: B:
8. Do you know Mr Wang? →A: B:
陈述句变一般疑问句
1. His father is an English teacher.
_________________________________________ ?
2. These cats are crying.（喊叫）
_________________________________________ ?
3. They can swim.
_________________________________________ ?
4. I like to read（阅读） English.
_________________________________________ ?
5. I go to school on foot.（走路）
_________________________________________ ?
6. He likes English.
_________________________________________ ?
7. His father goes to work by bus.（乘公共汽车）
_________________________________________ ?
8. He is crying（哭） under the tree.
_________________________________________ ?
9. The boy does some housework（家庭作业） at home. _________________________________________ ?
10. The children had a good time in the park（公园）. _________________________________________ ?