VI FORUM «BULGARIAN GRAMMAR» – 2019 «GRAMMATICAL SYSTEMS IN SYNCHRONY AND DIACHRONY» SOUTH-WEST UNIVERSITY  «NEOFIT RILSKI» INSTITUTE FOR BULGARIAN LANGUAGE «PROF. LYUBOMIR ANDREYCHIN» (IBL) – BULGARIAN ACADEMY OF SCIENCES (BAS) 17 OCTOBER 2019, SOFIA 14 PAPERS     Keywords: Bulgarian grammar, grammatical category, three-element grammatical system, Turkish loanwords in Bulgarian, Balkan Sprachbund, Standard Average European, Balan, machine translation,