Нужно предложения с Past Simple, Present Simple, Present Perfect, Future Simple...

Question

Нужно предложения с Past Simple, Present Simple, Present Perfect, Future Simple преобразовать из актива в пассив
1)They are holding a Festival next month.
2)The company will offer guided tours.
3)Thay must fix there lock on that door.
4)Somebody stole a famous painting from the gellery yesterday.
5)Did Robert design that flat?(вопросительное предложение)

Answer 1

1. A Festival will be being held by them next month.
2. Guided tours will be offered by the company.
3. The lock on that door must be fixed by them.
4. A famous painting was stolen from the gallery by somebody yesterday.
5. Was tat flat designed by Robert? 

Answer 2

1)A festival is being held next month
2)Guided tours will be offered by the company
3)The lock on that door must be fixed by them
4)A famous painting was sloten from thegallery yesterday
5)Was that flat designed by Robert?