That is what I would like to be.这是什么从句

问题描述:

That is what I would like to be.这是什么从句

看是什么从句,就看这个部分(what i would like to be)在句子中做的是什么成分.
this is 这是主系表结构,所以后面的句子做的是表语成分,所以这是表语从句!