??/??/?? ?? ????? ???????????????????????? ???? ???? ???? ???? ???, ???? ???? ???? ???? ???? ???? ???? ???? ???? ??????????? ??????? ?????????? ??????. ??????????????/?? ?????????? ??????.?????????? ??????(??)???? ???????? ???? ??????, ???? ???, ???? ?? ?? ?? ???????????? ?????? ???????????? ???? ??_????????????? ?The 2 commonest grammatical rules