The days are gone when physical strength was all you needed to make a living.

问题描述:

The days are gone when physical strength was all you needed to make a living.
哪位专业人士能帮我分析一下这个句子的句子成分?在下先严重感谢!

The days (when physical strength was all you need to make a living) are gone.
括号里的为定语从句,修饰the days整个句子的宾语是什么?没有宾语,主系表结构