We use the comparative form to compare two people or things.
Examples:
John is taller than Mike.
This car is faster than that car.
My bag is heavier than yours.
English is more interesting than I expected.
Common patterns:
Short adjectives: adjective + -er + than
tall → taller than
small → smaller than
fast → faster than
Longer adjectives: more + adjective + than
beautiful → more beautiful than
expensive → more expensive than
interesting → more interesting than
2. Superlative Adjectives
We use the superlative form to compare three or more people or things. It shows that someone or something has the highest or lowest degree of a quality.
Examples:
John is the tallest student in the class.
This is the fastest car in the race.
Mount Everest is the highest mountain in the world.
This is the most interesting book I’ve read.
Common patterns:
Short adjectives: the + adjective + -est
tall → the tallest
small → the smallest
fast → the fastest
Longer adjectives: the most + adjective
beautiful → the most beautiful
expensive → the most expensive
interesting → the most interesting
Here are multiple-choice fill-in-the-blank questions on Comparative and Superlative adjectives, with answers.