新概念三册第50课里的一句
问题描述：
新概念三册第50课里的一句
The self-discipline required to drag myself out of bed eleven minutes earlier than usual was considerable
请帮忙分析一下这句话,required 在这里是做什么成分?
答
The self-discipline 是主语,was 是谓语considerable是宾语
required to drag myself out of bed eleven minutes earlier than usual 是作为修饰The self-discipline 的