Mr Green works hard to save some money to byu a house.中to save money做什么成分啊

问题描述:

Mr Green works hard to save some money to byu a house.中to save money做什么成分啊
那to buy a house 在句中做什么成分啊?

不定式做work hard的目的状语.格林先生努力工作想存些钱买房子.
to buy a house 还是save money的目的状语,