Thin-thinner
Big-bigger-biggest
Dirty-dirtier-dirtiest
Nice-nicer-nicest
Fun-funner
Young-younger-youngest
Heathy-heathier-heathiest
-
Busy-busier-busiest
Rain-Rainier-rainiest
Short-shorter
Useful-more useful-most useful
Beautiful-more beautiful-most beautiful
Wonderful-more wonderful
Joyful-more joyful-most joyful
Painful-more painful-most painful
Colorful-more colorful-most colorful
Helpful-more helpful-most helpful
Successful-more successful
Exciting-more exciting
Comfortable-more comfortable-most comfortable