-ar -er -ir verbs

-as -er -ir verbs
Flashcards ar er ir verbs
http://www.proprofs.com/flashcards/cardshow.php?title=regular-ar-er-ir-spanish-verbs&quesnum=1

-er
http://www.studyspanish.com/cgi-bin/verbs/verb_drill.cgi
http://www.quia.com/pop/36437.html?AP_rand=1317114919
http://www.quia.com/jg/476060.html

-ir
http://www.studyspanish.com/cgi-bin/verbs/verb_drill.cgi
http://www.quia.com/jg/476072.html
http://www.quia.com/rr/67149.html