Active to passive: Dracula had hated garlic forever.
Garlic had been hated by Dracula forever.
Active to passive: My sister was smelling the flowers.
The flowers were being smelt by my sister.
Active to passive: She will drive the bus next year.
The bus will be driven by her next year.
Active to passive: You need oil and heat to make chips.
Heat and oil are needed by you to make chips. / Heat and oil are needed to make chips.
Passive to active: The hunter was caught by the tigger.
The tigger caught the hunter.
Passive to active: The restaurant has been closed by the critic.
The critic has closed the restaurant.
Passive to active: The waves are ridden by the surfer.
The surfer rides the waves.
Passive to active: The spaceship had been teleported to another galaxy.
Someone/something had teleported the spaceship to another galaxy.
