Can you ask some question?划分句子结构

you 是主语
can ask 谓语；can 不能单独做谓语
some question 是宾语
楼主,希望对你有帮助.再问一个问题，劳驾了。
Li Tao asked his father to buy him a new bag.划分句子成分Li Tao主语
asked谓语
his father 宾语
to buy him a new bag 宾语

buy sb sth 是带双宾语的。是直接宾语间接宾语吗？是啊。