复数-进行时 -过去式
like-likes-liking -liked
have- has -having -had
win - wins-winning-won
eat - eats-eating -ate
say - says-saying -said
play-plays-playing-played
try -tries-trying -tried
bite-bites-biting -bit
(我认为你的plap打错了,想问的应该是play吧..plap可是一个医药上的缩写喔...)