1. How they are formed
Comparative:
short adj + -er + than → taller than more + long adj + than → more interesting than
Superlative:
the + short adj + -est → the tallest the most + long adj → the most interesting
Rule details
A2 (Pre-Intermediate)
Comparative:
short adj + -er + than → taller than more + long adj + than → more interesting than
Superlative:
the + short adj + -est → the tallest the most + long adj → the most interesting
Comparative (comparing two):
My car is faster than yours.
Superlative (from a group):
She is the smartest student in the class.
Quality comparison:
This exercise is more difficult than the previous one.
Short vs long adjectives
Short adjectives usually take -er/-est; long adjectives use more/most.
Irregular forms
good → better → best, bad → worse → worst, far → farther/further → farthest/furthest.