1. A new material was explained to the students by the teacher.
2. The contents of the novel must be discussed by us.
3. The novel had been already discussed (by them)
4. The article has been translated by me.
5. Such books can't be devoured by you.
6. When I came home, dinner had been already cooked by mother .
7. Some coffee has been made by mother.
8. The news about their marriage has been spread by me.
1.A new material was explained to the students by the teacher.
2.The contens of the novel must be discussed.
3.The novel had already been discussed.
4.The article has been translated.
5.Such books can not be devoured.
6.Dinner had already been cooked when I came home.
7.Some coffe has been made.
8.The news about their marriage have been spread.
Объяснение: