TY  - BOOK
AU  - Thomson,A.J.
AU  - Martinet,A.V.
TI  - A practical English grammar exercises 8 : present, past and past perfect tenses
AV  - PE1128 T465P
PY  - 1972///
CY  - London
PB  - Oxford Univ. Press
KW  - ENGLISH LANGUAGE
KW  - TEXTBOOKS FOR FOREIGN SPEAKERS
KW  - GRAMMAR
KW  - PROBLEMS, EXERCISES, ETC
ER  -