Следующие предложения из действительного залога в страдательный 1.he published the book last year 2.they will have finished the work by twelve

The book was published by him last year.
Their work was finished by twelve.

1. The book was published last year by him.
2. The work will be finished by twelve by them. 
Страдательный залог = гл. to be + V3