1、What+a/an+形容詞+可數名詞單數+主語+謂語!
例如：
What a nice day it is!多麼好的天氣啊!
What an interesting book that is!那是一本多麼有趣的書啊!
2、What+形容詞+可數名詞複數形式+主語+謂語!
例如：
What beautiful flowers they are!多麼美麗的花啊!
What good teachers they are!他們是多麼好的老師啊!
3、What+形容詞+不可數名詞+主語+謂語!
例如：
What fine weather it is!多好的天氣!
