be afraid that 是宾语从句,那afraid是什么?表语?be afraid谓语?

问题描述:

be afraid that 是宾语从句,那afraid是什么?表语?be afraid谓语?

be afraid that ...
be afraid 是系表结构作谓语
that 后面的是宾语从句,也有语法学家认为that 所引导的句子叫原因状语从句.