Ford, Cecilia E. <br/><br/>
Grammar in the interaction  a adverbial clauses in America English conversation 
Cecilia E Ford 
 - Cambridge   Cambridge University press  1993 
<br/><br/><label>ISBN: </label>978-0-521-41803-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English Language-United States-Adverbials
<br/><br/><label>LC Class. No.: </label>PE 2821.F67 C.1-3