The number of people without jobs fell last month.

问题描述:

The number of people without jobs fell last month.
请教词句的结构,同时,fell作何解释呢?
希望有例句,

主语是the number of people,without jobs是修饰定语,fall谓语,last month时间状语
这句话就是多了个without结构修饰主语