请问这个句子中,形容词做什么语法成分?不定式做什么语法成分?I feel very lucky to have him.

问题描述:

请问这个句子中,形容词做什么语法成分?不定式做什么语法成分?I feel very lucky to have him.

I feel very lucky (表语)to have him(原因状语).