Murphy, Unit 11, 11.2

1. How long has your mother been in hospital?
2. How long have you been teaching English?
3. How long have you known Caroline?
4. How long has your brother been in Australia?
5. How long have you had that jacket?
6. How long has he been working at the airport?
7. How long have your been learning to drive?
8. Have you always lived in Chicago?