Abstract: This article is dedicated to the currently relevant within Yakut linguistics problem of language and speech normalization of functional styles. An attempt is made to reveal the linguistics peculiarities of the colloquial style of Yakut language through the prism of verbal predicate as one of the key components in a sentence. As a result of semantic-stylistic and statistics-linguistics analysis of verbal predicate in the colloquial style, the author identifies its qualitative and quantitative characteristics. Special attention is turned to the intercalation changes of verbal predicates in colloquial style that take place under the influence of Russian language. The article determines frequency of the use of forms of verbal predicates in literary style, which allowed to objectively assess indicators that were revealed by means of application of the semantic-stylistic method. Functionality of verbal predicates in colloquial style is defined by their lexical-semantic meanings, structural-semantic parameters and means of expression, as well as utilization and prevalence of certain verbal predicates in colloquial style is substantiated by extralinguistic specificities of this speech style. At the initial stages of normalization process of functional styles of Yakut language, it is important to give an objective assessment to the ongoing within colloquial style intercalation changes under the influence of Russian language by determining its negative and potentially positive aspects.