1. They make cars in that factory
Care are made in that factory
2. They don't charge you to use the computers.
You were not charged to use the computers
3. Nobody saw them leave
They were not seen when they left.
4. People lose lots of umbrellas on London buses.
Lots of umbrellas are lost on London buses
5. An American bought the painting.
The painting was bought by an American
6. They don't cook the meals at the school.
The meals are not cooked at the school
7. A famous architect designed the houses.
The houses were designed by a famous architect
