К вопросу о причинах более широкого функционирования конструкций с глагольной формой есть в русских говорах на территории Северо-Запада по сравнению с остальными русскими говорами
The article covers ethnographical data characteristic of the population in the North-Western area at present, and material representing the settlement of various Finnish tribes in this area from historical point of view. The extra-linguistic data presented here speak in favour of the supposition that the usage of constructions with the verbal form is in the North-Western area developed in the process of interrelations among Russian dialects and the Baltic-Finnish languages.