1. had happened
2. Happen to
the worst thing that can happen to a man like him
If you happen to spill, wipe off immediately.
英語 "という言葉Stało się"(Happen to)集合で発生します。
TO, FOR, FROM, ON, IN, ABOUT, OF, WITHprepositions to3. has become
Of course. Web marketing has become very important to us
4. It happened
5. Play out