Verb family.

BASE	GO	BUY	BRING	FIND	WRITE	FLY	CUT	MAKE	DANCE
INFINITIVE	TO GO	TO BUY	TO BRING	TO FIND	TO WRITE	TO FLY	TO CUT	TO MAKE	TO DANCE
GERUN (PRESENT PARTICIPLE)	GOING	BUYING	BRINGNING	FINDING	WRITING	FLAYING	CUTTING	MAKING	DANCING
PAST PARTICIPLE	GONE	BOUGHT	BROUGHT	FOUND	WRITTEN	FLOWN	CUT	MADE	DENCED
SIMPLE PAST	WENT	BOUGHT	BROUGHT	FOUND	WROTE	FLEW	CUT	MADE	DANCED
SIMPLE PRESENT	GOES	BUYS	BRINGS	FINDS	WRITES	FLYS	CUTS	MAKES	DANCES