I can`t exactly wrap my head about the “-ого” ending in a word for example “русского”. When do we add it? And how is it used?

  • Check your grammar book or any other general source. This question as it is now is too broad.
    – Abakan
    Jul 13 '16 at 21:52
  • I did but I don't get it
    – John
    Jul 14 '16 at 6:11
  • And I don't have a book I study alone
    – John
    Jul 14 '16 at 6:11
  • 1
    @Groude I don't have a book Look at this question. Also keep in mind that "кого" belongs to two cases: Genitive and Accusative.
    – Matt
    Jul 14 '16 at 10:37