TY  - BOOK
AU  - PALMER,F.R.
TI  - Modality and the English modals
SN  - 0582034868
U1  - 425 
PY  - 1990///
CY  - London, New York
PB  - Longman
KW  - English language
KW  - Modality (Linguistics)
N1  - Includes indexes
ER  -