sentences:  Onufry Kopczyński
  
  Onufry Kopczyński (30 November 1736 – 14 February 1817) was an important educator and grammarian of the Polish language during the Polish Enlightenment.Born in Czerniejewo near Gniezno, Kopczyński became an educator with the Piarist order, teaching at Stanisław Konarski's Collegium Nobilium in Warsaw.