Modus categories in the Mongolian language

This article is devoted to actualisation and qualifitative category of Mongolian modus. It is known, the essence of metaсategory modus is the ratio of plan content of the message with the reality in the coordinate system «person - modality - time - space», which, in essence, are markers of predication. In turn, qualifitative modus in the Mongolian language provided authorization, reliability and evaluation. So, authorization characterizes source of information qualifying this statement in opposition to «own / alien speech». Persuasiveness as assessing the completeness of knowledge about the reportedly expresses the degree of confidence in the objective content of the speaker's message. Evaluation is closely related to the emotion, is an indicator that expresses a positive or negative attitude of the speaker to the situation as a whole or to its components. The mongolian language has extensive tools of expression modus categories.