句型转换的方法
一、肯定句改否定句的方法——一步法
1、在be动词后加not。如：is not ， are not ， am not， was not， were not；
2、在can，should， will等后加not。如：cannot， should not， will not；
3、上述都没有的，在动词前加助动词否定形式don’t/doesn’t/didn’t。
4、 some 改成any。
把下面的句子变成否定句。
1.She is watching TV now.
2.We go to school on Sunday.
3.His father works hard.
4.Jack's mother is a nurse.
5.The cat runs fast.
6.They like reading books.
7.My grandpa gives me a hot dog.
8.Tom often walks to school.
9.I have a doll.
10.It is eating fish.
二、肯定句改一般疑问句的方法——三步法
1、把be动词放在句首，剩下的照抄，（some 改成any，my改成your等）句点改成问号。
2、把can，shall， will等放到句首，剩下的照抄，（some 改成any，my改成your等）句点改成问号。
例如：陈述句: They are in the park. He can play the guitar..
一般疑问句: Are they in the park? Can he play the guitar?
把下列句子变成一般疑问句
1. I am listening to music._____________________________________
2. Mike is a student._____________________________________
3. Sarah can clean the classroom._______________________________________
4. They are in the zoo._____________________________________
5. There are some flowers in the
vase._______________________________________
6.This is my sister._________________________________________
7.We are sweeping the floor.________________________________________
3、上述都没有的，在句首请助动词Do/Does/Did帮忙，剩下的照抄，（some 改成any，my改成your等）句点改成问号。
例如：陈述句: I like the ducks. He likes the dogs.
一般疑问句：Do you like the ducks? Does he like the dogs?
把下列句子改为一般疑问句。
1. We need some masks.________________________________
2. They like making the puppet._______________________________
3. Su Hai and Su Yang live in a new
house._____________________________________________
4.I put a book on my head.________________________________________________
5. They sing “In the classroom”
together._______________________________________________
6.We play basketball on Sundays._______________________________________________
7. Tom likes listening to music__________________________________________
三、肯定句改特殊疑问句的方法——四步法
1、在一般疑问句的基础上，句首添加一个疑问词即可，可根据划线部分确定是什么疑问词。
2、接着找be动词或can，shall， will等放在疑问词后面，若没有则请助动词do/does/did 帮忙，写在疑问词后面，how many除外，必须先写物品，再写be动词等。
3、划线部分去掉后剩下的内容照抄，（some 改成any，my改成your等）
4、句点改成问号。
句型转换题
1. The girl is singing in the classroom.(改为否定句）(改为一般疑问句)
2. They are looking for bag.(对画线部分提问）
3. I am riding my bike now.(同上）
4. There are twelve studens over there.(同上）
5. I can speak English.(改为一般疑问句）
6. I am writing now.(同上）
7. I have a desk and a chair.(用He做主语改写句子）
8. She is buying some food in the supermarket.（改为否定句）
9. I am ill. （对画线部分提问）
10. Does she like growing flowers? （给予否定回答）
11. I will make model planes with my classmates on Sunday. (对画线部分提问）
12. The girl dances beautifully.（改为感叹句）
13. The waiter and the waitress play table tennis every day.( 改为否定句）
14. The boy is standing on the man's shoulders.(改为一般疑问句）
15. It's ten o'clock.(对画线部分提问）
1. The girl is singing in the classroom.(改为否定句）(改为一般疑问句)
2. They are looking for bag.(对画线部分提问）
3. I am mending my bike now.(同上）
4. There are twelve studens over there.(同上）
5. I can speak English.(改为一般疑问句）
6. I am writing now.(同上）
7. I have a desk and a chair.(用He做主语改写句子）
8. She is buying some food in the supermarket.（改为否定句）
9. I am ill. （对画线部分提问）
10. Does she like growing flowers? （给予否定回答）
