In this study, the agent and the beneficiary are the same auxiliary verb ‘Ju-’ in which the agent and beneficiary are same were examined. In this case, when the speaker describes his or her actions, the agernt and the beneficiary are referred to as speaker. When the same context is understood as an instructive act, both agent and the beneficiary are the addressee. This is due to the register of vlog and context of its use. The vlogger’s utterance is understood as both a description and instruction, because the vlog is communicative even though the usage is disconnected, In this context, ‘jupnida’ tend to be fixed in the form ‘ju-’ and does not combined tense elements. By introducing the syntactically redundant beneficiary argument, the objectivity of the utterance is secured the speaker’s actions are expressed to be beneficial. Also, politely express the directivity of instructive speech.
