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????????, ????? & ?????????  ??????, ???-?? . 1990. ???????????? ??????????? ??????????? ? ??????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 15. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 109?111.

??????, ?????????, ??? . 1990. ???????? ?????????? ???????? ????? ? ?????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 15. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 111?112.

??????, ?????????, ??? . 1989. XXXIII ????? ???? ?? ?????? ???? ? ??????? (???? ???) ??? ???????. ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 14. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 122.

??????, ?????????, ??? . 1987. ???????? ? ????? ????? ???? ?? ?????? ???? ? ??????? ??? ??????? (???? ???). ?????????????? ??????????? / ???????????????? ??????????? / Contrastive linguistics 12. (?????????????? ??????????? / ???????????????? ??????????? / Contrastive Linguistics). 120?121.