Interviewer: Has he ever had a really serious accident?
Expert: Yes, he has.
Interviewer: What happened?
Expert: It was in 1986. He fell several metres and hit his head on a rock.
1. Is the presenter's first question in the past simple or the present perfect?
Answer: The presenter's first question is in the present perfect ('Has he ever had...').
2. Does the question ask about general experience or a specific moment in the past?
Answer: The question asks about general experience.
3. Is the presenter's second question in the past simple or the present perfect?
Answer: The presenter's second question is in the past simple ('What happened?').
4. Does the question ask about general experience or a specific moment in the past?
Answer: The question asks about a specific moment in the past.