如:1.“What a crime he has committed!” she said. “他犯了多大的罪啊!”她说道。
→She didn’t know what a crime he had committed. 她不知道他犯了那么大的罪。
2.“How fast she can run!” he says. “她竟能跑得那样快!”他说道。
→It’s incredible how fast she can run. 她跑得如此之快令人不可置信。(这个句子和您给的栗子有点像)。
3.“What a brave boy you are!” she told him. “你是一个多么勇敢的男孩子啊!”她告诉他说。
→She told him what a brave boy he was. 她告诉他说他是一个多么勇敢的男孩子。
4.How smart you are is true.
这是在某网看到的,关于感叹句可以理解为名词词性从句吗?