Grammatical Features of the Moscow Edition of the Trebnik in the Middle of the 17th Century (on the Material of a Comparative Study of Trebnik by Nikon in 1658 and Trebnik by Peter Mohyla in 1646)

The paper studies the grammar features that characterize Moscow revision of Book Needs (Trebnik), composed under patriarch Nikon (1658). research is based on a comparison Nikon’s and Peter Mogila’s (1646) Trebniks. study confirmed scientific statement Nikonian editors revised Trebnik in accordance with recommendations edition M. Smotritsky’s Grammar. This shown, for example, use certain endings nominal adjective declension imperative indicator (in verbs first conjugation 1st 2nd persons plural). emergence hyper-correct phenomena points at to obligatory character corrections. One main directions was elimination grammatical variability homonymy. To this end, fixed one form expressing meaning those cases when allowed variations, ending -ѣхъ local masculine neuter plurals, enclitic forms personal pronouns dative case adnominal position their replacement by possessive pronouns, reflexive express passive place combinations participles verb byti (быти).