You could be right ,but I don't think you are

问题描述:

You could be right ,but I don't think you are
后面句子为什么要用are
有人说是虚拟 能具体讲是现在虚拟过去还是将来
谢谢

愿意是:
you could be right,but I don't think you are right.
省略了一个词而已.