Грамматика русского языка в упражнениях и комментариях. Морфлология

This is a textbook/workbook that is separated into 3 parts. It is intended to carry the Russian student from the B-2 (or upper intermediate) understanding of grammar to the C-1 (professional proficiency) level. This is a series of course books covering the most important sections of Russian practical grammar as well as including appropriate theoretical explanations. The series is aimed at students of an intermediate-advanced level and the most difficult exercises are provided with answer keys