TY  - BOOK
AU  - Elsness, Johan  .
TI  - Perpect and the preterite in contemporary and earlier english / 
SN  - 3-11-014686-X
U1  - P111,D 
PY  - 1997///
CY  - Berlin : 
PB  - Mouton de Gruyter , 
KW  - Preterite
ER  -