¡Donde saqué toda la información!

• http://www.studyspanish.com/verbs/lessons/pressubj_reg.htm
  
• http://www.123teachme.com/learn_spanish/present_subjunctive
  
• http://www.drlemon.com/Grammar/Subjunctive/sub-form.html
  
• http://www.drlemon.com/Grammar/Subjunctive/subjunctive.html
  
• http://www.colby.edu/~bknelson/SLC/chart_pres-subj.php
  
• http://users.ipfw.edu/jehle/courses/subjfrms.htm