I am younger than you are 为什么加个are?

问题描述:

I am younger than you are 为什么加个are?

可以省略
实际上than后面是一个(常常省略谓语部分的)比较状语从句.
既然是从句,than后面的词就是主语,要用主格(省略时常用宾格),谓语与前面的谓语重复,但是常用助动词表示即可.例如:
He is taller than she is.
He is taller than she/her.