Dixon, William. <br/><br/>
Essential elements of english grammar : a guide for learning english / 
William Dixion 
 - United States of America :  iUniverse, Inc.,  c2011. 
 - ii, 161 pages ;   29 cm. 
<br/><br/>Chapter1. Simple tenses -- Chapter2. Progressive tenses -- Chapter3. Perfect tenses -- Chapter4. Perfect progressive tenses 
<br/><br/> Grammar teaches how to use a language correctly by following rules. These books is designed to be used by the students in a classroom setting or by an individual student in self-studty. 
<br/><br/><label>ISBN: </label>9781450284608 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENGLISH -- TENSES<br/>ENGLISH GRAMMAR
<br/><br/><label>LC Class. No.: </label>PE 1112 .D59 2011