2. A: How long has the chicken cooked in the oven?
B: The chicken has been cooking in the oven for about twenty minutes.
3. A: How long has Carl Schmidt played football for Brazil?
B: Carl Schmidt has played football for Brazil since the start of the season.
4. A: How long has he cleaned his motorbike?
B: He has cleaned his motorbike for 2 hours.
5. A: How long have you waited to see the doctor?
B: I've been waiting to see the doctor since nine o'clock.
6. A: How long has your sister lived in Florida?
B: She has lived in Florida for over a year.
