??????, ??????, ??? . 1999. ?????????? ?? ????????? ???V (1999) ?? ???????? ?????????????? ???????????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 24. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 147?151.

??????, ??????, ??? . 1998. ?????????? ?? ????????? ????? (1998) ?? ???????? ?????????????? ???????????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 23. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 223?230.

??????, ??????, ??? . 1997. ?????????? ?? ????????? ???? (1997) ?? ???????? ?????????????? ???????????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 22. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 173?178.