请帮忙解答个疑问

Whoever leaves last should turn off the light
Who leaves last should turn off the light

翻译成汉语是"谁最后离开要关灯".
上一句是英语,下一句是汉式英语,是直译.leaves last 是定语从句啊.可以修饰whoever,但不能修饰who,所以上一句是对的.下一句是错的.

把whoever看成是no matter who