1 A: Are you still trying to fix the computer?
B: Yes, I have been trying all morning and I haven't managed it yet.
2 A: Have you already decided what to wear at tonight's school prom?
B: Me too. I have just bought a perfect dress!
3 A: Does Jessica rarely go out at weekends?
B: Really? How does she usually spend her time?
4 A: Does he often go to bed after midnight?
B: No. He sometimes sleeps early.