一般疑问句和否定句的改法
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一般疑问句
一、把be动词（am is are）和情态动词(can, may, must...)放到句首，其它照写。遇I/we—you, my—your. some—any.句号变成问号（？）
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.
__________________________________________
二、借助助动词do/does,第三人称单数用does,其余人称用do，放到句首，其他照写。特别记住：前面用does,后面的动词一定还原成原形。遇I/we—you, my—your, some—any. 句号变成问号（？）
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
__________________________________________________
否定句
一、在be动词（am is are）和情态动词(can, may, must...)后面加not，其它照写。some变成any.
例如：陈述句: They are in the park. He can play the guitar..
否定句: They are not in the park. He can not play the guitar.
或：They aren’t in the park. He can’t play the guitar.
am not 不能缩写is not=isn’t are not=aren’t can not=can’t
把下列句子变成否定句
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.
二、借助动词don’t/doesn’t,第三人称单数用doesn’t,其余人称用don’t，放到人称后面，动词前面其他照写。特别记住：前面用doesn’t, 后面的动词一定还原成原形。Some变成any.
把下列句子改为否定句。
4.We need some masks.
_________________________________
5.They like making the puppet.
_________________________________
6.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
__________________________________________________