TY  - BOOK
AU  - Krug,Manfred G.
TI  - Emerging English modals: a corpus-based study of grammaticalization 
SN  - 3110166542 (pbk) :
U1  - 425 
PY  - 2000///
CY  - Berlin
PB  - Mouton de Gruyter
KW  - English language
KW  - Modality
KW  - Discourse analysis
KW  - Grammaticalization
N1  - Includes index; Bibliography: p. 299-326
ER  -