陈述句转换一般疑问句
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.
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2. Mike is a student.
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3. Sarah can clean the classroom.
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4. They are in the zoo.
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5. There are some flowers in the vase.
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6. This is my sister.
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7. We are sweeping the floor.
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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.
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2. They like making the puppet.
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3. Su Hai and Su Yang live in a new house.
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4. I put a book on my head.
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5. They sing “In the classroom”together.
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6. We play basketball on Sundays.
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7. Tom likes listening to music
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转换为否定句
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.
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
__________________________________________________