Перепишите предложения из активного заклада в пассивный1. Nobody has used this

Перепишите предложения из активного задатка в пассивный
1. Nobody has used this room for ages.
2. We will give you the keys tomorrow.
3. Someone is interviewing Dr Johnson at the moment.
4. By the time I arrived, someone had already opened all your letters.
5. We usually talk briefly about the problems of the family at dinner time.