是的.
It是形式主语,真正的主语在后面,是动词不定式to help me.
kind of you里面kind 和you是主谓关系.如果是非主谓关系就只能用for.
EG:It's very important for us to learn English well.
这句话中to learn English well就是主语.而important和us就不是主谓关系.