visit - visited (regular)
eat - eaten (irregular)
listen - listened (regular)
be - been (irregular)
swim - swum (irregular)
dance - danced (regular)
take - taken (irregular)
taste - tasted (regular)
play - played (regular)
see - seen (irregular)
win - won (irregular)
climb - climbed (regular)
watch - watched (regular)
work - worked (regular)
shout - shouted (regular)
have - had (irregular)