i want to throw it away怎样划分句子成分?

问题描述:

i want to throw it away怎样划分句子成分?
怎样划分句子成分?这句中的to do做什么成分?

want to do something 不定式的搭配
i 主语
不定式做谓语
it 是宾语
away宾补