It is a dirty bowl.
What a dirty bowl!
How dirty is that bowl!
His picture is very perfect.
What a perfect picture!
How perfect is his picture!
Tom drives very carefully.
What a careful driver Tom is!
How carefully Tom drives!
That is an interesting book.
What an interesting book!
How interesting is that book!
What a delicious meal! (Question about the taste of the meal)
How delicious is that meal! (Exclamation about the taste of the meal)
It is a terrible dish.
What a terrible dish! (Question about the quality of the dish)
How terrible is that dish! (Exclamation about the bad qualities of the dish)
These boys are very naughty.
What naughty boys! (Question about the behavior of the boys)
How naughty are these boys! (Exclamation about the level of naughtiness)
His drawing is very perfect. (Same as #2)
He draws a perfect picture. (Similar to #2, but emphasizes the action)
What a perfect picture he draws! (Question about the quality of the picture he draws)
How perfectly does he draw! (Exclamation about his drawing skill)
He is a careful driver. (Same as #3)