结构上略有变化：
　　一、由感叹词what引导的感叹句.
　　1.① What+a(an)+（形容词）+单数可数名词+主语+谓语!
　　② What+名词词组+主语+谓语!
　　如:What a fine day it is!
　　2.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!
　　二、由How引导的感叹句.（how用来修饰形容词、副词或动词.）
　　1.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!
　　2.How+主语+谓语!
　　如：How time flies!时光飞逝!
　　3.How+形容词+a/an +名词单数+主语+谓语!
　　如：How clearly he is speaking!