Azar, Betty S.   1941- <br/><br/>
Understanding and using english grammar :   with answer key /  
Betty S. Azar, Stacy A. Hagen. 
 - 4th ed.  
 - White Plains, NY :  Pearson Education,  c2009. 
 - 530 p. :  col. ill. ;  26 cm. +  1 CD-ROM (4 3/4 in.) 
<br/><br/> Includes index. 
<br/><br/>Overview of verb tenses -- Present and past, simple and progressive -- Perfect and perfect progressive tenses -- Future time -- Adverb clauses of time and review of verb tenses -- Subject-verb agreement -- Nouns -- Pronouns -- Modals, part 1 -- Modals, part 2 -- passive -- Noun clauses -- Adjective clauses -- Gerunds and infinitives, part<br/>Gerunds and infinitives, part 2 -- Coordinating conjunctions -- Adverb clauses -- Reduction of adverb clauses to modifying adverbial phrases -- Connectives that express cause and effect, contrast, and condition -- Conditional sentences and wishes. 
<br/><br/><label>ISBN: </label>9780132333337 (with audio) 0132333333 (with audio) 9780132333313 (with audio and answer key) 0132333317 (with audio and answer key) 9780132333306 (student book a) 0132333309 (student book b) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers.<br/>English language--Grammar--Problems, exercises, etc.<br/> Inglés--Libros de texto para extranjeros--Libros de texto para extranjeros.<br/>Inglés--Gramática--Problemas, ejercicios, etc.
<br/><br/><label>LC Class. No.: </label>PE 1128  / A992u 2009 
<br/><br/><label>Dewey Class. No.: </label>428.24