What we want to know is why he was late 这句是什么从句 好像有主语从句 表语从句

What we want to know is why he was late 这句是什么从句 好像有主语从句 表语从句 This is why I am late和This is what I want是表语从句吗 下列seem之后的从句是主语从句还是表语从句?It seems (that)he was late for the tr 主语从句：That he is right is known to all of us.宾语从句：We all know This is what you want 是表语从句吗?此句有没有错误 What i want to say is这是什么从句? 这是主语从句还是表语从句? I want to know what you like是什么从句 主语从句和表语从句 What yu he said is that when we should go there这个句子是什么从句 好像有 What you he said is that when we should go there这个句子是什么从句 好像 We don’t know what he wants to tell us.是什么从句呀