Vince, Michael  <br/><br/>
Essential Language Practice/  Reference and Practice for Beginning Students of American English 

 - China  Macmillan Heinemann  2000 
 - 256p.  ill., index,   21cm. 
<br/><br/> Unit 1 Present Simple of Be: I am, you are, he is, etc<br/>Unit 2 Present Simple : Affirmative - Frequency Adverbs<br/>Unit 3 Present Simple : Negatives and questions 
<br/><br/><label>ISBN: </label>9780333799857 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English Language
<br/><br/><label>Dewey Class. No.: </label>420  / VIN