Помогите пожалуйста, необходимо поменять активный залог в пассивный:A fire burnt down

A fire burnt down Forrest Castle last night. - Forrest Castle was burnt down by a fire last night.

Some people were holding a party in the main hall. - A party was being held in the main hall.

A cigarette started the fire. - The fire was started by a cigarette.

Fortunately they have removed most of the valuable paintings the day before. - Fortunately most of the valuable paintings have been removed the day before.

The Queen will visit the castle tomorrow. - The castle will be visited by the Queen tomorrow.