that引导的同位语从句与宾语从句有什么区别?

问题描述:

that引导的同位语从句与宾语从句有什么区别?
I heard the news that our team had won.(同位语从句)
I promise you that I will be there.(宾语从句)
那么You tell me that you love me.中的that引导什么从句?为什么?

that引导同位语从句不作成分,但不可以省略;引导宾语从句不作成分一般可以省略.
you tell me that you love me ,that引导宾语从句.因为tell 后面接双宾语,that引导的从句就是做宾语.