We paid the bill in the restaurant. -Did we pay the bill?
The bill was paid. - Was the bill paid?
The workers build the house in the countryside. - Do the workers build the house in the countryside?
The house in the countryside is built by workers. - Is the house built by workers?
The spectators watch the film with a great interest. - Do the spectators watch the film with a great interest.
The film is watched with a great interest. Is the film watched with a great interest?