TY  - BOOK
AU  - Watkins,Mike
AU  - Adamson,Donald
TI  - Practise your modal verbs
SN  - 0582009936
U1  - PE/1315.A8 
PY  - 1990///
CY  - England
PB  - Addison Weslley Longman Limited
KW  - English language -- Auxiliary verbs.
KW  - English language -- Modality.
N1  - Notes Registration No: 28956 (1al). Serials holdings Stg3.95
ER  -