Pronunciation
Listen and repeat
Test
http://www.englisch-hilfen.de/en/exercises_list/verbs.htm
Play
http://www.englishexercises.org/makeagame/viewgame.asp?id=2030
http://www.manythings.org/wbg/verbs_past1-sw.html
http://www.manythings.org/wbg/verbs_past2-sw.html
http://www.manythings.org/wbg/verbs_past3-sw.html
http://www.manythings.org/wbg/verbs_past4-sw.html
http://www.manythings.org/wbg/verbs_past7-sw.html
http://www.kubbu.com/student/?i=1&a=9713_irregular_verbs
http://www.kubbu.com/student/?i=1&a=22232_irregular_verbs_k
Learn, spell, test and play
https://quizlet.com/10450797/irregular-verbs-flash-cards/