This document discusses different types of comparisons in English including superiority, equality, and inferiority and provides examples of how to form comparative adjectives based on their syllable structure. Comparative adjectives are formed by adding "-er" for one-syllable adjectives or "-more" for adjectives with two or more syllables, with some irregular adjectives like "good", "bad", "much", and "little" having unique comparative forms.

2. Types of comparison
supeRIORITY EQUALITY infeRIORITY
Comparative + than AS + adjective + AS Less + adjective + than
The pen is mightier
than the sword.
That car is as good
as mine.
My car is less
expensive than
yours.

3. formation
Adjectives with 1 syllable:
Most adjectives: + ER
Small Smaller High Higher
Adjectives ending in 1 vowel + consonant
Big Bigger Wet Wetter
Adjectives ending in –e
Late Later Nice Nicer

4. formation
Adjectives with 2 syllable:s
Adjectives ending in consonant + y: + ER
Sunny Sunnier Happy Happier
Adjectives ending in –ow, -er, -le: + ER
Narrow Narrower Clever Cleverer
Rest of them: More
Boring More boring

5. formation
Adjectives with 3 syllable:s or more
 More
Difficult More difficult
Relaxing More relaxing
Beautiful More beautiful

6. formation
Irregular adjectives
Good Better
Bad Worse
Much More
Little Less