SLAVIC MORPHOPHONOLOGY: EVOLUTION OF THE SYSTEM 

Danilina Natalya Ivanovna, Candidate of philological sciences, associate professor, sub-department of Russian and classical philology, Saratov State Medical University, danilina_ni@mail.ru 

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Slavic morphonological systems may be divided by 3 groups. The morphonology of verb complicates the structure and develops the consonant part in Bulgarian. All parts of morphonological systems complicate the structure and develop the phonological base in Russian and Polish. In other languages the morphonology of verb deteriorates, the morphonology of noun becomes more complex and develops the phonological base. 

slavic, morphonology, diachronic analysis.