Someone drives a car
A car is driven by someone
Harry flies a broom
A broom is flown by Harry Potter
Ron eats drumsticks
Chicken drumsticks are eaten by Ron
Dobby's head hits a chest of drawers
A chest of drawers is hit by Dobby's head
PRofessor Snape hits Ron on the head
Ron is hit on the head by Professor Snape
Neville killed Nagini
Naginiwas killed by Neville
Dumbledore extracted a memory
A memory was extracted by Dumbledore
Malfoy blows a paper bird
A paper bird is blown by Malfoy
Hermoine punches Draco Malfoy
Draco Malfoy is punched by Hermione
They open the chamber of secrets
The Chamber of Secrets is opened
