What a/an+(形容词)+单数名词+谓语;例如
What a fine day it is!天气多么好啊!
How+主语+动词!例如
How her mother worried!她母亲是多么地担心啊!
What+(形容词)+复数名词+谓语;
What funny stories they are!他们是多么可笑的故事啊!
What+(形容词)+不可数名词+谓语;
What great progress he has made!他取得了多么大的进步呀!