The article describes the main provisions of G. N. Akimova's works, which define the vectors of further syntactic studies.G. N. Akimova is a representative of St. Petersburg (Leningrad) syntactic school, Honorary Professor of St. Petersburg State University. The diachronic approach (from the 18th to the 21st century) to the study of syntactic analyticity, the constructions of expressive syntax and the types of modern prose that G. N. Akimova followed throughout the scientific activity, is a universal key for interpreting the phenomena of syntax.