The monograph thoroughly examines the lexico-grammatical characteristics of the verbs of the Russian and Uzbek languages, focusing on the complex issues of the aspectual category in the synchronous-comparative concept. It also explains the clear structure for a new understanding of their functioning, the degree of order, the structural-level status, national uniqueness and inter-linguistic relationships.The monograph can be helpful for students of philology faculty studying at higher educational institutions, undergraduates, independent researchers, university instructors and school teachers, as well as for a broad circle of readers interested in philological problems.