A: Have you ever tried an extreme sport?
B: Yes, I have.
A: When did you try it?
B: I tried bungee jumping a couple of years ago.

A: Have you ever swum with dolphins?
B: Yes, I have.
A: When was the last time you did it?
B: I swam with dolphins last summer.

A: Have you ever ridden a camel?
B: Yes, I have.
A: How old were you when you did it?
B: I rode a camel when I was 10 years old.

A: Have you ever climbed a mountain?
B: Yes, I have.
A: When was the last time you climbed one?
B: I climbed a mountain last year.