Comparative and Superlative Adjectives

Comparative adjectives are used to compare two things or people to each other. •A bus is bigger than a car. •Bill is older than Harry. Superlative adjectives are used to compare one member of a group to the whole group. We use the with a superlative adjective. •The Nile is the longest river in the world. •In our class Maria is the oldest and Charlie is the youngest.
FORMATION
Form	Adjective	Comparative	Superlative
One syllable :	long	longer than	the longest
(add : -er / -est)	nice	nicer than	the nicest
	hot	hotter than	the hottest
Two or more syllables :	famous	more famous than	the most famous
(add: more-less/most-least before the adjective)	interesting	less interesting than	the least interesting
	practical	more practical than	the most practical
Two syllables ending in -y :	funny	funnier than	the funniest
(the 'y' becomes 'i' before -er/-est)	easy	easier than	the easiest
	happy	happier than	the happiest
Irregular Adjectives :	good	better than	the best
	bad	worse than	the worst
	much/many	more than	the most
	little	less than	the least
	far	farther/further than	the farthest/furthest
N.B. :   Adjectives ending with a vowel and a consonant double the consonant big  -  bigger  -  biggest except when the consonant is 'w' or 'y' :  new - newer - newest.