The car was 3 years old but no one had used it very much перевести в пассивный залог

The car was 3 years old but no one had used it very much.

The car was 3 years old but it had been used very much by no one.

Was the car 3 years old but it had been used very much by no one?

How old was the car?

Was the car or was the bus 3 years old but it had been used very much by no one?

Was the car 3 years old but it had been used very much by no one or by Tom?

The car was 3 years old but it had been used very much by no one, was not it?