主语从句 宾语从句 表语从句还有同位语从句 统称为名词性从句。所谓从句,就是一个完整的句子作某一成分。主语从句例句:What you did is right.宾语从句例句:I think he will be back in an hour.表语从句例句:This is what you want to buy.同位语语从句例句:We hear the news that our team won the match.