They should arrest him.
He should be arrested.
They close the cafe at 5pm.
The cafe is closed at 5pm.
A million people watched the show.
The show was watched by a million people.
Someone needs to fix the laptop.
The laptop needs to be fixed.
Nobody can do it.
It can't be done.
You have to switch it off.
It has to be switched off.
They have found a cure for the disease.
A cure has been found for the disease.
Simon will interview the actor.
The actor will be interviewed by Simon.
Spectators mustn't throw anything onto the stage.
Nothing must be thrown onto the stage.
People will remember her forever.
She'll be remembered forever.
Somebody had broken the TV.
The TV had been broken.
Someone ought to feed this dog.
This dog ought to be fed.