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（?）
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.
__________________________________________
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（?）
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
____________________________________________
