Помогите от этих слов сделать существительное, глагол и приалагательное own,library,comfortable,change,possible, teach,expense

own (a) - (n) ownership of own, (v) to own library (n) - (a) library comfortable (a) - (n) comfortableness or comfortability change (v) - (a) change or  changeless or changeable, (n) change or changing possible (a) - (n) possible or possibility teach (v) - (n) teaching, (a) teachable expense (n) - (a) expensive   n - noun - сущ. a - adjective - прилагательное v - verb - глагол