The document describes comparative forms of adjectives in English. For adjectives with one syllable, the comparative form typically ends in "-er", while for adjectives with two or more syllables the comparative uses "more" before the base adjective. A few adjectives like "good" and "bad" are irregular and have the comparative forms "better" and "worse". Examples are provided to illustrate using comparative adjectives in sentences.

2. AdjectiveComparative Form
 old older
 young younger
 tall taller
 fast faster
 slow slower
 strong stronger
 dark darker
 fat fatter
 Thin thinner
 big bigger
 happy happier
 easy easier

3. Adjective Comperative Form
(Two or more syllables)
 beautiful more beautiful
 expensive more expensive
 delicious more delicious
 interesting more interesting
 crowded more crowded
 successful more successful
 incredible more incredible

4. Irregular Adjectives
good better
bad worse
far farther/further

5. -er , more
Dumbledore is older than Harry Potter.
Harry Potter is younger than Dumbledore.

15. A turtle is ……..(slow) than a rabbit.
 My sister is ……..(young) than me.
 A horse is ………(big) than a dog.
 English is ………(easy) than Japanese.
 Today, the weather is ………(good)
than yesterday.
 Cities are ………(crowded) than
villages.
 Harry Potter is ………(interesting) than
The Cat in the Hat.