what+a/an+（形容词）+单数可数名词+主语+谓语！
what+名词词组+主语+谓语！
如: what a fine day it is!
what+(形容词）+可数名词复数或不可数名词+主语+谓语!
如: what kind women they are!
what nice music it is!
2、由how引导的感叹句。（how用来修饰形容词、副词或动词。）
how+形容词（副词）+主语+谓语！
如: how hard the workers are working!
how clever the girl is!
how quickly the boy is writing!
how+主语+谓语！
如：how time flies! 时光飞逝!