there is something that's been on my mind.这里的that's been 是什么语法点?

问题描述:

there is something that's been on my mind.这里的that's been 是什么语法点?

that's=that has
has/have been 在语法上叫做现在完成时,是指过去存在在现在的,并且有可能会继续存在下去哦
句子意思:有一些事情一直映在我脑海中