TY  - BOOK
AU  - Mackin, Ronald,
TI  - Exercises in English Patterns and Usage Vol. 2 : The Verb - Tenses, Patterns and Idioms
SN  - 0194327221
U1  - 428 
PY  - 1975///
CY  - London
PB  - Oxford University Press
KW  - Standard English usage
ER  -