?? ???? ???????? ?????? ????????? ?? ??????.???? ???? ??? ??? ??...?????????? ???????????? ???? ??????...???? ??????? ???????? ???????. ??? ????????? ?? ???? ?? ?????? ???? The two most common grammatical rules in which this occurs is when conjugating in the past or current tenses. For illustrations:?? ???? ?????? ??????????, ???? ???????????????.?