1. His brother isn't a student.
Is his brother a student?
2. Her parents aren't at home.
Are her parents at home?
3. The theatre isn't in the centre of the town.
Is the theatre in the centre of the town?
4. I'm not going to be an engineer.
Am I going to be an engineer.
5. They aren't good sportsmen.
Are they good sportsmen?
6. These streets aren't very narrow.
Are these streets very narrow?
7. Mary isn't from Great Britain.
Is Mary from Great Britain?
8. You aren't going to visit France this year.
Are you going to visit France this year?