We have been good friends since 2 years ago.这句话对么?

问题描述:

We have been good friends since 2 years ago.这句话对么?

你想说我们两年前是好朋友还是我们已经是好朋友两年了?这两句话是不同的.一直是。从两年前,We have been good friends for 2 years.