Passive -> Active
The book was read by the librarian.
The librarian read the book.
The car ran over the man.
The man was run over by the car.
The tire was changed by Sue.
passive voice
Tom, the house, paint (Past Simple)
The house was painted by Tom.
the saltwater, hurt, my wounds (Present Simple)
The saltwater hurts my wounds.
Many books were sold by the students at the garage sale.
The students sold many books at the garage sale.
Everyone knows Mr. Smith.
Mr. Smith is known by everyone.
Mom read the novel in one day.
active voice
I, room, clean, every Saturday (Present Simple)
My room is cleaned by me every Saturday.
She, bake, two dozen cupcakes, for the party (Past Simple)
She baked two dozen cupcakes for the party.
It is known that eating too much sugar is unhealthy.
Many people know that eating too much sugar is unhealthy.
Everyone in this town knows how to get to the center.
It is known how to get to the center by everyone in this town.
Many smartphones are made in China.
passive voice
He, donate, money, to the homeless shelter (Future Simple)
Money will be donated to the homeless shelter by him.
the class, two experiments, make, next lesson (Future Simple)
The class will make two experiments next lesson.