Grupo Océano <br/><br/>
Smart English  interactive learning method units 11 - 20 

 - 1° ed. 
 - Barcelona  Grupo Océano  2014 
 - 176 p. 
<br/><br/> Contiene: Gerund vs. infinitives 2A; Instant vs. continuous actions; Verbs - past simple vs. present perfect 
<br/><br/><label>ISBN: </label>978-84-494-4408-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Smart English<br/>Interactive learning<br/>Verbs
<br/><br/><label>Dewey Class. No.: </label>428  / GarS