Werner, Patricia K. <br/><br/>
Interactions two a communicative grammar 

 - Mexico  McGraw-Hill  1985 
 -  411 p.  23 cm 
<br/><br/><label>ISBN: </label>0070695911 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PRESENT VERB FORMS<br/>PAST VERB FORMS<br/>FUTURE VERB FORMS<br/>QUESTIONS AND RESPONSES
<br/><br/><label>Dewey Class. No.: </label>428.3 W455i