Different styles (Scientific, Artistic, Conversational) and genres like letters, essays, and stories.
Unstressed vowels in roots, suffixes, and endings; use of "ь" and "ъ"; and spelling prefixes. gdz po russkomu 4klass uchebnik chast 1 n f vinogradova
The Russian language textbook for Grade 4 (Part 1), edited by (and authored by S. V. Ivanov et al.), is part of the "Elementary School of the 21st Century" (Nachalnaya Shkola XXI Veka) curriculum. Different styles (Scientific
Parts of speech (Nouns, Adjectives, Pronouns, and Verbs) and their grammatical features (case, gender, number). Conversational) and genres like letters
Focuses on rules and practicing correct writing.