希伯伦语法一一、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。
（1）把下面的句子变成否定句。
She is watching TV now.______________________________________________________________________________We go to school on Sunday.____________________________________________________________________________His father works hard._______________________________________________________________________________Jack's mother is a nurse._____________________________________________________________________________The cat runs fast._____________________________________________________________________________________They like reading books._____________________________________________________________________________________ My grandpa gives me a hot dog.______________________________________________________________________________ Tom often walks to school.__________________________________________________________________________________ I have a doll.______________________________________________________________________________________________ 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”tog ether._________________________________________________6.We play basketball on Sundays._________________________________________________7. Tom likes listening to music____________________________________________综合训练（一）陈述句变一般疑问句练习1. His father is an English teacher. _______________________________________________________________2. These cats are crying. ______________________________________________________________3. They can swim. ___________________________________________________________________4. I like to read English. ______________________________________________________________5. I go to school on foot. ______________________________________________________________6. He likes English. ______________________________________________________________7. His father goes to work by bus. ______________________________________________________________8. He is crying under the tree. ______________________________________________________________9. His birthday is on the twentieth of November. ______________________________________________________________10. Mrs. Li and Kitty are in a big shop. ______________________________________________________________11. Kitty is wearing her new uniform. ______________________________________________________________12. The boy under the tree is hungry. ______________________________________________________________13. He goes to school every day. ______________________________________________________________15. I want to have a model car. ______________________________________________________________16. She wants a cup of coffee. ______________________________________________________________17. Mrs. Li and Kitty watch television at night. ______________________________________________________________18. I do my homework after school ______________________________________________________________综合训练（二）将下列句子改成一般疑问句：1. It is a lovely dog.________________________________________2. She is lovely girl.________________________________________3.You are a singer. ______________________________4. They are Lily’s cousins. ___________________________________5. We are classmates. ______________________________________6. I am a doctor. ________________________________________7. There is a bird in the tree. ________________________________8. There are many stars in the sky. ____________________________10.I love my parents. _______________________________________11.I play computer games every night. _________________________14.We have a pleasant home. __________________________________15.We like to climb the mountain. ______________________________16.They go to church on Sunday. ______________________________17.They walk to school every morning. __________________________18.It is a beautiful park. ______________________________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。