want to do这里的want 是及物动词还是不及物动词

want 应该是及物动词，动词不定式做want 的宾语。want 当想要时应该是及物动词，后面可跟名词，也可跟宾语再跟动词不定式作宾补，也可跟动词不定式作宾语，如

I want some hot milk.

I want you to help me.

I want to help you.