What yu he said is that when we should go there这个句子是什么从句 好像有

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 What he said is when we should go there 这里包含这两个从句 那这个是属于什么从句 如果一个句子里有两种以上的从句那么那个句子是什么从句比如What yu he said is that when we 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 he said is important.这个句子里what he said 是什么用法? He said to us that we should study hard.这个句子是正确的吗? I am sure that what he said is true.是什么从句 He said that he is a boy .这个句子中的that引导是什么句型? what should we do when there is a fire? What should we do when there is a fire What he said is right.是主语从句（What he said是句子吗?）