Потенциальные явления в грамматике современного русского языка (вторичные имперфективы)
The present article is concerned with potential grammatical facts of modern Russian. The verbs with imperfective meaning (secondary imperfectives), i.e. обуславливать, оспаривать, уполномачивать, обезбаливать etc., are considered as such. In terms of language development, secondary imperfectives actively expand their sphere of usage; which is shown in graphs and tables. Special attention is given to the phonemic alternation of о and а in verbal roots. In this way both suffixation (suffix -ива-) and internal inflection (о/а) co-occur in this process. It is concluded that grammatical function of imperfectivation outweighs, wins over the unity of phonological structure of the word.Similar phenomena in Bulgarian (написвам, отшумявам etc.), where secondary imperfectivation is regarded as a clear manifestation of grammaticalization, serve as a background for imperfectives in Russian.
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