Busy-busyer-the busyest (по моему)
Picturesgue-more Picturesgue-the most Picturesgue
Modest-moder-the modest
Striking-strikinger-the strikingest
Fragile-fragiler-the fragilest
Exciting-excitinger-the excitingest
Attractive-more attractive -the most attractive
Touching-touchinger-the touchingest
Stupid-stupider-the stupidest
Wicked-wickeder-wickedest