Jawabanmu

2014-04-22T14:04:11+07:00
You are believed by him. (passive) 
The test was done by them. (passive) 
2014-04-22T16:48:35+07:00
Rina eats that bread (active)
that bread is eaten by Rina (passive)

rita bought an apple (active)
an apple was bought by rita (passive)

semoga membantu :)