Collins easy learning English verbs. 
 Easy learning English verbs 

 - London :  Collins,  2010. 
 - 320 p. ;  20 cm. 
<br/><br/> 'Collins Easy Learning English Verbs' provides an accessible introduction to English verbs, tenses and morphology. With clear, concise explanations of English verb systems, this book provides a guide for the language learner. 
<br/><br/><label>ISBN: </label>9780007340644 (pbk.) :  £6.99 0007340648 (pbk.) :  £6.99 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Verb.