PBS CONTRACTIONS
Spanishbooster.com
Colby University Website
http://web.uvic.ca/hrd/span100/unit01/gr3ex_01a.htm
Spanishprograms.com/articles
Plural articles
http://www.spanish.cl/Grammar/Games
http://www.spanish.cl/Grammar/Games2
http://www.spanish.cl/Grammar/Games3
http://www.spanish.cl/Grammar/Games/Definidos_Indefinidos
http://www.spanish.cl/Grammar/Games/Indefinidos
Articles.htm
Contractions.html