Comparatives interactive book

http://chagall-col.spip.ac-rouen.fr/IMG/didapages/comparative/index.html

IRREGULAR COMPARATIVES AND SUPERLATIVES

These adjectives have completely irregular comparative and superlative forms:

Adjective	Comparative	Superlative
good	better	best
bad	worse	worst
little	less	least
much	more	most
far	further / farther	furthest / farthest