The language and specifics of the oral folk show that folklore is a complex linguistic system in its organization. This system exists and functions as a special subsystem unlike any other. At the same time it enters into the general system of the Tuvan language, enriching and nourishing it with its internal stylistic diversity. It reflects the linguistic and cultural features of folklore and various folklore genres reflect their own stylistic features of their language. The article examines the grammatical forms inherent in various genres of Tuvan folklore works, the use of which is directly related to their communicative tasks.