Question

Convert from active to passive voice.
"the thief was taken to the cell by the police" (plz..tell fast,somebody)

Answer 1

Passive: The thief was taken to the cell by the police.
Active voice (converted): The police took the thief to the cell.

Answer 2

I think it is already in passive voice
if you want to change from active to passive then
the police took the thief to the cell. May this help you.