Predicatives of Russian vernacular dialects in the context of a sub-standard language environment

The article considers the main semantic and grammatical characteristics of predicatives in Russian dialects. The class description is built in the context of dynamic changes in the language system, such as content and characteristics of lexico-semantic groups, as well as morphological and syntactic characteristics of predicatives in constructions of various types. The research allows to deepen the understanding of certian parameters of Russian dialects language system, as well as to concretize the data of the historical dynamics in semantics and grammar with reference to extensive lexicographic data of dialects.