00566nam a22001697a 4500 0 0 0 0 fsd fsd 2020-10-22 Allied Book Company 436.09 0 428.24 THO 43024 2020-10-22 00:00:00 1 BK 31544 31544 9780195620542 (pbk) 0195620542 428.24 THO Thomson, A. J. A. V. Martinet A practical English grammar exercises 1 New York Oxford University Press 1987,2018 181 p. ; 21 cm. Includes index. English language English grammar Practical english Perfect infinities Indirect speech Propositions Problems Tenses FSSH BK