2. A: Have your parents ever gone on a rollercoaster ride?
B: No, they haven’t./Yes, they have.
3. A: Have your family ever travelled by boat?
B: Yes, they have. They did a cruise of the Volga.
4. A: Has your best friend ever flown in a helicopter?
B: No, he hasn’t./Yes, he has.
5. A: Have you ever seen a ghost?
B: No, I haven’t. 1 don’t believe in ghosts.