???? ???????(????)????????????? ???? ????????.???????? ??(?? ???? ???? ??, ?????? ????? ?????????????????. ?????????? ?????????????? ?????? ???? ???????? ???????????? ?????? ????()?? ?? ????      ????.????????, ?? ?? ??, ?????? ?????????? ??????????????.- ????????? ?? ???????????? ???? ????????? ????.The 2 most typical grammatical principles