ACTIVE- PASSIVE
They serve dinner.
Dinner is served by them
That picture was painted by Picasso.
Picasso painted that picture.
Turn from passive into active:
He was arrested.
The police arrested him.
A singer or band sings the song.
The song is sung by a singer or band.
He will be taught by Tina.
Tina will teach him.
Turn from active to passive:
He is delivering letters.
Letters are being delivered by him.
He delivered the letter.
The letter was delivered by him.
The music video is produced by James Cameron.
James Cameron produces the music video.
Turn from passive into active:
He was punished.
Somebody punished him.
Mary will order a coffee.
A coffee will be ordered by Mary
The electric light bulb was invented by Edison.
Edison invented the electric light bulb.
Name the situations when the agent can be omitted.
agent= unknown, unimportant, obvious
John delivers letter.
The Golden Globe will be received by Lady Gaga.
Lady Gaga will receive the Golden Globe.
Establish the subject and the agent.
That picture was painted by Picasso.
subject= that picture
agent= Picasso