Lección 13
Estructuras



   
 Explicación y expansión
The past participle and the present perfect - Activity One		   
 The past participle and the present perfect - Activity Two   
 The past perfect - Activity One   
 The past perfect - Activity Two   
 Past participles used as adjectives   
 Reciprocal verbs and pronouns   
 Infinitive as subject of a sentence and as object of a preposition   
   
 



© 1995-1998 by Prentice-Hall, Inc.
A Pearson Company
Distance Learning at Prentice Hall
Legal Notice