???? & ?????? ???????? ???????? ???? ?? ??? ?? ???? ?? ????????The two most popular grammatical rules wherever this happens is when conjugating prior to now or current tenses. For examples:????? ???? ?? '??????' ?????????? ?? ???????? ???? ?? ?????? ???????? ?? = ????&??????®??(??)?? ?????? : ??, ??, ????, ??, ???? ?·???????, ?? ?????? : ?????? ?