The girls had eaten the food.
The food had been eaten by the girls.
Has someone opened the door?
Has the door been opened?
I was watering the plants.
The plants were being watered.
Computers are used all over the world. Active or passive?
Passive.
Cervantes wrote Don Quixote.
Don Quixote was written by Cervantes.
I use these knives to cut bread.
These knives are used to cut bread.
An old woman feeds the pigeons. Active or passive?
Active
David was buying a book. Active or passive?
Active
Rose was scared by the snake.
The snake scared Rose.
Will the bus be driven by Paula? Active or passive?
Passive
The cheese was eaten by the mice. Active or passive?
Passive
My brother walks the dog. Active or passive?
Active
Our house was built in 1902. Active or passive?
Passive
Was the window broken by a burglar? Active or passive?
Passive
They will sell her house.
Her house will be sold.