TY  - BOOK
AU  - Scheffer Johnnes
TI  - Progressive in English
T2  - North Holland linguistic series ed by S C Dik and J G Kooij; 15
U1  - P111, L51 
PY  - 1975///
CY  - Amsterdam
PB  - North Holland Pub     
KW  - LINGUISTICS
N1  - Appendix 277-352p; Bib 363-87p
ER  -