Abstract
This study set out to examine research trends around honorifics, names, request, apology, refusal, and complaint, which had received much research attention, in comparative studies on linguistic behavior between Korea and Japan and discuss future tasks. In comparative studies between Japan and Korea, sociolinguistic investigations were conducted from various perspectives with especially many researches focused on language strategies in linguistic behavior. Future study will have to figure out entire linguistic behavior in a synthetic fashion and include both politeness and impoliteness in the scope of analysis from the perspective of fundamental motivations for linguistic behavior.