Aitken, R. <br/><br/>
Teaching tenses: Ideas for presenting and practising tenses in English 

 - Edinburgh  Longman  1992 
 - 191 p.  25 cm. 
<br/><br/> 001039  L 005 
<br/><br/><label>ISBN: </label>0175559201 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language<br/>English language<br/>English language--Grammar--Study and teaching--Business English
<br/><br/><label>Dewey Class. No.: </label>428.507  / T253