与of 搭配的形容词短语 如：be ashamed of ,be capable of在句子中做什么成份

与of 搭配的形容词短语 如：be ashamed of ,be capable of在句子中做什么成份
1.Don’t be ashamed of yourself.You should be ashamed of what you have done.
2.The boy is capable of telling a lie
.过去分词 be supposed to 1.You are supposed to go home.
这里supposed 是形容词 还是 被动 在句子里面做什么成分
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