Q. Have you ever talked with a native speaker in English?
A. I've done it a few times, but i still get nervous
Q. Have you gone running this week?
A. Yes, I've run along the 한강 twice
Q. Have you ever traveled alone?
A. No, I haven't. I usually travel with friends.
Q. Have you ever run a marathon?
A. No, I haven't. But I'd like to try someday.