What+a/an +adj.+ n(单)(+主+谓)!What+adj.+n(复数/不可数)(+主+谓)!How + adj.+主+谓!
what主体是名词what a big ball!how主体是形容词how big the ball is!望采纳
what a beautiful day!how beautiful today is!what 后面可以加冠词: a ,an how后面不行哦
What是多么的意思How是提问方式都是问句