Azar, Betty Schrampfer  <br/><br/>
Understanding and using English grammar Volume B 

 - 3 ed 
 - Estados Unidos   Logman  1999 
 -  473 p.  25 cm 
<br/><br/><label>ISBN: </label>0139587527 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ADJECTIVE CLAUSES <br/>GERUNDS AND INFINITIVES <br/>ADVERB CLAUSES
<br/><br/><label>Dewey Class. No.: </label>428.5 A992u