China Naming Network - Ziwei Dou Shu - What are the exclamations guided by what?

What are the exclamations guided by what?

(1) What a/an+ (adjective)+singular noun+predicate

What a nice day!

How nice the weather is!

What an interesting story this is!

(2) What+ (adjective)+plural noun+predicate

What interesting stories they are!

What an absurd story it is!

What a beautiful color!

How beautiful their colors are!

(3) What+ (adjective)+uncountable noun+predicate

What great progress he has made!

What terrible weather we met!

What terrible weather we met at that time!