to the best of one's ability如果要套用定表补那one's是定语

问题描述:

to the best of one's ability如果要套用定表补那one's是定语
to…of作状语对么

to 达到
the best (最好) 是 to 的宾语.
of 后面是定语,(of one's ability一个人的能力)修饰的是 the best.
不必太纠结成分,尤其是这种固定搭配的短语.