2. A: How long has the chicken been cooking in the oven?
B: It has been cooking for about twenty minutes.
3. A: How long has Carl Schmidt been playing football for Brazil?
B: He has been playing football since start of the season.
4. A: How long has he been cleaning his motorbike?
B: He has been cleaning it for two hours.
5. A: How long have you been waiting to see the doctor?
B: I have been waiting to see him since nine o'clock.
6. A: How long has your sister been living in Florida?
B: She has been living there for over a year.
