It is expected that the cause of the blaze will be investigated by the police.
The cause of the blaze is expected to be investigated by the police.
It is said that seven people are in a serious condition.
Seven people are said to be in a serious condition.
It's said that the fire is still burning.
The fire is said to be still burning.
It's believed that ambulances have taken fifteen people to hospital.
Fifteen people are believed to have been taken to hospital by ambulances.
It's believed that a cigarette started the fire.
The fire is believed to be started with a cigarette.
The plates were washed by Helen in the morning.
Three foreign languages are taught (by them) at school.
I has been interrupted (by him).
The article is being traslated (by them) now.