Johnun botong sule chuyhatssultteman chumul chuchiman, kuuy saengilnalenun (chumul) onjeonhakey chuessta.
John-NOM usually alcohol-E drink-PAST-when-only dancing-ACC dance-but his-POSS birthday-ON sober-KEY danced
Usually John dances only when he is drunk, but on his birthday, he danced sober (without drinking/in the state of not drunken).