Have you ever been to a concert?
Yes, I have... / No, I haven't .... (I have never...)
Have you ever fallen asleep at school?
Yes, I have... / No, I haven't .... (I have never...)
Have you ever seen a flower?
Yes, I have... / No, I haven't .... (I have never...)
Have you ever built a snowman?
Yes, I have... / No, I haven't .... (I have never...)
Have you ever gotten a very bad haircut?
Yes, I have... / No, I haven't .... (I have never...)