Ellegard, Alvar <br/><br/>
The auxiliary do; the establishment and regulation of its use in English 

 - Stockholm  Almqvist & Wiksell  1953 
 - 320p.  25cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language
<br/><br/><label>LC Class. No.: </label>PE1315.A8E48