Wilcox Peterson, Patricia <br/><br/>
Changing times, changing tenses 

 - Washington :   Bureau of Educational and Cultural Affairs,   1988. 
 - 155 p. 
<br/><br/>The present tense -- The present continuous tense -- The present perfect tenses -- The past tense -- The past habitual tenses -- The past continuous tense -- The past perfect tenses -- The future tenses -- The future continuous tense -- The future perfect tenses. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gramática inglés<br/>Tiempos verbales en inglés
<br/><br/><label>Dewey Class. No.: </label>420.531  / W451ch