Помогите пожалуйста Сделайте упражнение 11Спасибо)

1.Has the operation been performed by the surgeon?
2 The contract has not been signed by Lionel.
3.All the carpets have been sold by our salesmen.
4.The lion has been captured by zookeepers in the forest.
5.All the patients have not been treated by Dr. Phillips.
6.Have you been paid by the customers?
7.Joana's birthday has been celebrated by everybody.