句型转换的方法(例句时态以一般过去时为主)一、肯定句 一般疑问句 1. 有be动词或情态动词（am, is, are, was, were, can, could, would, should等） ① be动词或情态动词搬句首 ② 第一、第二人称互换 ③ some改成any, and改成or ④ 句末改成问号 例： ① I was at home yesterday. Were you at home yesterday? Yes, I was. / No, I wasn’t. ② I could danced well ten years ago. Could you dance well ten years ago? Yes, I could. / No, I couldn’t. 2. 没有be动词或情态动词 ① 句首添加助动词do, does或did（根据原句时态和人称决定） ② 第一、第二人称互换 ③ some改成any, and改成or ④ 动词变回原形 ⑤ 句末改成问号 例： We went to a farm last Sunday. Did you go to a farm last Sunday? Yes, I did. / No, I didn’t.二、肯定句 特殊疑问句 1. 将划线部分换成对应的疑问词人——who/whom 事，物——what地点——where 时间——when / what time原因——why 数量——how many频率——how often 价钱——how much颜色——what colour 年龄——how old长度——how long 距离——how far 还有how, which, whose等。
2. 将剩余部分改成一般疑问句具体步骤同第一大点） 例： I went to the park yesterday. ① I went to the park yesterday. What did you do yesterday? ② I went to the park yesterday. Where did you go yesterday? ③ I went to the park yesterday. Who went to the park yesterday? ④ I went to the park yesterday. When did you go to the park?三、肯定句 否定句 1. 有be动词或情态动词 ①直接在be动词或情态动词后加not，可缩写 ②some改成any, and改成or ③动词变回原形 例：①Mike was in the classroom just now. Mike wasn’t in the classroom just now. ②He could fly kites high. He couldn’t fly kites high. 2. 没有be动词或情态动词 ①在行为动词前添加助动词don’t, doesn’t或didn’t. ②动词变回原形 ③some改成any, and改成or 例： The students had a PE lesson this morning. The students didn’t have a PE lesson this morning.习题巩固一、 将下列句子改成一般疑问句1. I usually do my homework at eight. ______________________________ 2. We watched a football match yesterday. ______________________________ 3. I’d like to go swimming. ________________________________ 4. They are playing football in the playground. ___________________________5. You should keep quiet in the library. ________________________________ 6. She had some bread yesterday morning. ______________________________ 7. His sister has some toys. _______________________________ 8. I’m going to join a party this evening. ____________________________ 9. My mother can sing and dance. ____________________________________10. I was at home just now. ______________________________二、将下列句子改成否定句1. They are in the bedroom. ________________________________ 2. Tom watched TV last evening. ________________________________ 3. I do my homework every day. _____________________________________ 4. She likes milk. ____________________________ 5. John had some toys many years ago. ________________________________ 6. She must return the story book to Tom in two days. _______________________ 7. She is good at drawing. ________________________________ 8. We should run in the morning every day. ________________________________ 9. We can go there by train. ______________________________________ 10. I am ten years old. ____________________________________ 三、 将下列句子改成特殊疑问句（划线提问）1. They brought some nice food yesterday. ______________________ 2. She is a nurse . _______________________________ 3. She is my teacher. ______________________________________ 4. I am looking for my sister. ________________________________ 5. It is my coat._________________________________ 6. I get up at six.____________________________ 7. They are five yuan.___________________________________ 8. I am from Hubei. ____________________________ 9. I went to school late because I got up late._______________ 10. It is windy today.__________________________ 11. My bag is red ._______________________________________ 13. I’m going to watch a film tomorrow.__________________________________14. We should save trees and water. _________________________ 。