1)The doctor had already told him to go on a diet.
He had already been told to go on a diet.
2)Jadzia is writing a test
A test is being written by Jadzia.
3)Somebody left the front door open.
The front door was left open.
4)Jenny didn't break the window
The window wasn't broken by Jenny.
5)An explorer has found the treasure
The treasure has been found by an explorer.
6)She bought me some oranges
I was bought some oranges.
Some oranges were bought for me.
7)Tom is using the copmuter
The computer is being used by Tom.
8)Many people speak English
English is spoken by many people.
9)His brother tought him to drive.
He was taught to drive by his brother.
10)Ola will look after the child.
The child will be looked after by Ola.