Comparatives and superlatives : cities

-st, -est or -iest to short adjectives.

Nice - nicest

Tall - tallest

Easy - easiest

And adding "the most" before long adjectives.

the most beautiful

the most interesting

-r, -er or -ier to short adjectives.

Nice - nicer

Tall - taller

Easy - easier

And adding "more" before long adjectives.

more beautiful

more interesting

-st, -est or -iest to short adjectives.

Nice - nicest

Tall - tallest

Easy - easiest

And adding "the most" before long adjectives.

the most beautiful

the most interesting

-r, -er or -ier to short adjectives.

Nice - nicer

Tall - taller

Easy - easier

And adding "more" before long adjectives.

more beautiful

more interesting

big

bigger than

the most beautiful

the longest

crowded

the most crowded

bigger than

more beautiful

worse than

long

long

larger

longest

more polluted than

as polluted as

less polluted than

the most polluted

as peaceful as (peaceful = tranquilo)

more peaceful than

less peaceful than

the most peaceful

the longest

more long

longer

longest

expensiver than

most expensive than

more expensive than

larger

the largest

largest