英语里面没有谓语从句
简单来说
宾语从句和表语从句都属于
名词性从句宾语从句：连接宾语从句的连词主要有that,if,whether.
that引导表示
陈述句的宾语从句
if和whether引导表示“是否”的一般疑问句的宾语从句.
例如：she did what she could do to help him.
do you remember all these years when scientists argued that smoking would kill us?
表语从句：就是一句话做另一个句子的表语,就是把从句放在
系动词后面.
例如：my question is what I should do.
The reason why he didn't come to school is that his mother was ill.