point,work,jump.help.play.ski.laugh.skate.pick.listen.的过去式是?

point,work,jump.help.play.ski.laugh.skate.pick.listen.的过去式是?

point--pointed
work--worked
jump--jumped
help--helped
play--played
ski--skied
laugh--laughed
skate--skated
pick--picked
listen--listened

pointed, worked, jumped, helped, played, skied, laughed, skated, picked, listened

play--played listen-- listened