ПО АНГЛ.яз помогите пожалуйста
Преобразуйте следующие предложения из действительного залога в страдательный
1.he published the book last year
2.who wrote this novel?
3.nabody had visited him
4.we shall not admit children under sixteen
5.the pupils can do this exercise without any difficulty
6.you must not leave your bags in the hall Помогите чем можете

Спасибо!!!

1. The book was published by him last year.2. Who was the nover written by?3. He had been visited by nobody.4. Children under sixteen won't be admited by us.5. This exercise can be done without any difficulty by the pupils.6. Your bags must not be left by you in the hall.