na INLIS000000000000954 20180424103919 0010-0418000916 ta 180424 g 0 eng 0-13-594002-8 415.62 415.62 MAR m Marcella Frank Modern English : A Practical Reference Guide New Jersey : Prentice-Hall, 1972 413 hlm ; 14x21,5 cm tenses 01982/SAL/P 01983/SAL/P