求分析一句英文(when从句+that从句)

问题描述:

求分析一句英文(when从句+that从句)
例如:
A major goal of law is not served when the penalty is seldom invoked that it ceases to be a credible threat.
Good men can go bad when money is all that matters.
Did you know when you were doing this that you were making an important statement?
when 从句+that从句.后面的that从句的作用是做状语从句吗?那that从句的主语是?

第一句:当惩罚很少使用而使其不再是可靠的一个威胁时,法律的主要目标将不被实现.when引导的是时间状语从句,后面的that 是在时间状语从句里面引导了结果状语从句,that从句的主语是it,指代前面的penalty.第二句:当钱...