11.   I had seen it happen at close quarters because I am his caddie.

12.   I was afraid Richard would mind, but, as it turned out, my election had happened at a convenient time.

13.   It only happens at sports events.

14.   It will be interesting to see what happens at the next election.

15.   Let us know what happens at the interview.

16.   Muggings usually happen at night.

17.   Naturally, it happened at the worst possible time.

18.   She gave me a detailed account of what happened at the meeting.

19.   Some of the five VITAL elements actually happen at work.