Active voice: The sleet turned the old municipal building into an ice castle

Question

Is this correct for a Passive voice
Passive voice would be: The old municipal building turned into an ice castle from the sleet.

Answer 1

Not quite.

You're missing a word.

Answer 2

The old municipal building was turned into an ice castle from the sleet.

Is this correct using a passive voice?

Answer 3

Yes, you're right, now.