PURE GRAMMAR. The manual develops the language and speech competence from the first certified level (B1) through recurrence and the control over the second - to the third level (B2-C1). The manual on grammar of Russian contains the most difficult grammar topics: cases, verbs, aspect of verbs, verbs of motion, participle, adverbial participle, verbs with prefixes. The exercises are given in accordance with increasing complexity. Level: B1-C1