TY  - BOOK
AU  - Aitken,Rosemary
TI  - Teaching tenses
SN  - 0175559201
U1  - 428.2 
PY  - 1992///
CY  - Harlow UK: 
PB  - Longman Group
KW  - English language - Study and teaching
KW  - English language - Composition and exercises
KW  - English language - Grammar
KW  - English language - Study and teaching - Foreign speakers
ER  -