几道同义句

来源：百度知道 编辑：UC知道 时间：2024/07/02 22:27:56
We can change water into different forms
the four-year-old girl is able to read the stories
You must pay 10 yuan for the ticket
We should keep quiet in the library
句形转换 改同意思的另一种表达方法

是改被动句吗？？
1 water can be changed into different forms
2 The stories was able to read by the four-year-old girl
3 the ticket must be paied 10 yuan
4 the library shouid be quiet

不知道对不对 - -~~