The document discusses comparative adjectives and provides rules for their formation:
1) Most adjectives are made comparative by adding "-er" or using "more" or "less" for longer words.
2) Short words ending in consonants may double the final consonant and add "-er".
3) Words ending in "y" drop the "y" and add "-ier".
4) There are also irregular comparative adjectives like "good-better", "bad-worse", and "far-further/farther".