El presente del subjuntivo (p. 108-113 de Descubre)
http://www.drlemon.com/Grammar/Subjunctive/subjunctiveWeirdo.html
http://personal.colby.edu/~bknelson/SLC/subj_pres.php
http://www.drlemon.com/Grammar/Subjunctive/subjunctiveFormula.html
https://www.youtube.com/watch?v=RH9gpTa0u14
http://personal.colby.edu/~bknelson/SLC/subj_pres.php
http://www.drlemon.com/Grammar/Subjunctive/subjunctiveFormula.html
https://www.youtube.com/watch?v=RH9gpTa0u14
Subjuntivo vs. Indicativo
http://www.spanishdict.com/topics/show/68
http://www.drlemon.com/Grammar/Subjunctive/no-sub.html
http://www.drlemon.com/Grammar/Subjunctive/no-sub.html
Mandatos formales (usted y ustedes)
http://palmyraspanish1.blogspot.com/2013/11/learning-spanish-commands-usted-form.html
http://www.spanishdict.com/topics/show/67
https://personal.colby.edu/~bknelson/SLC/command_forms.php
http://www.spanishdict.com/topics/show/67
https://personal.colby.edu/~bknelson/SLC/command_forms.php