TY  - GEN
AU  - Ellegård,Alvar
TI  - The auxiliary do: the establishment and regulation of its use in english 
T2  - Gothenburg studies in english
U1  - 420.7 
PY  - 1953///
CY  - Stockholm
PB  - Almquist & Wiksell
KW  - Lengua Inglesa
KW  - Versos Auxiliares
ER  -