?????? ?? ?? ?? ???? ???????????? ??????????????????????? ????? ????, ??, ????, ???? ????, ????, ???? ????- ???? ??: ??, ??, ??(??, ???????? ??), ??????, ??, ????????? ?? ?????????? ?? ?????? ?????????? ?? ?? ?? ??? ???? The 2 most frequent grammatical concepts where by this happens is when conjugating in past times or existing tenses. For illustra