pleasant pleased pleasure unpleasant的区别

pleasant pleased pleasure unpleasant的区别
pleasant pleased pleasure unpleasant的区别

pleasant pleased pleasure unpleasant的区别
pleasant可以做表语修饰主语宾语,比如pleasant gift,pleasant girl,it's pleasant.
但是pleased不可以做表语后边跟名词,而且pleased只能用在人身上,比如I'm pleased,不能用在东西上.
pleasure是名词,和前面的词性不同
unpleasant是pleasant的反义词