????????? ??, ?? ?? ?????????? ????, ?????? ?? ?? ??????????? ???????????? ???? ????.If a grammatical principle that is included to ????can be a vowel ??and there is no other possibility apart from a vowel ??then that grammatical principle can't be added to ????- ???? ??: ??, ??, ??(??, ???????? ??), ??????, ??, ?????In this lesson, you may underst