“…In BP, the old CNS system decayed with the "weakening" of the person inflectional paradigm, triggered by the reorganization of the pronominal system (cf., i.a., DuARtE, 1993(cf., i.a., DuARtE, , 2000MODESTO, 2000;NUNES, 2011). In Middle Russian, however, the breaking point was the loss of V-to-t movement, due to the whole rearrangement of the verbal system around new aspectual distinctions, which replaced the old tense distinctions (JUNG, 2018;MADARIAGA, 2022aMADARIAGA, , 2022b.…”