Irregular verbs

Click and practice

http://www.oup.com/elt/global/products/happyearth/koala/froghe1-5 (frog game)
http://www.oup.com/elt/global/products/happyearth/koala/froghe2-3 (frog game)
http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/irpast1.htm
http://www.free-english-games.com/common/members/games/space/space7.2_pt1.swf (space game)
http://www.free-english-games.com/common/members/games/space/space7.2_pt2.swf (space game)
http://www.english-4u.de/iv_quiz1.htm