Change the sentences into active voice (Present Simple Active, Past Simple Active, Future Simple Active). Pens will not be used by people in the future.
The factory was opened in 1986.
The vegetables are eaten by children in the kindergarten.
The car was washed by Nick last Monday.
A new ideas are generated by scientists every day.
The project will be suggested by the manager.
The books are put to the right place by the librarian.
People are always helped by the police officer.