Comparative Form
exciting
more exciting
loud
loudest
My house is big than yours
bigger
rich
richer (comparative), richest (superlative)
fast
faster
pretty
prettiest
Syaiful's house is the most far from school.
furthest
near
nearer (comparative), nearest (superlative)
cold
colder
beautiful
most beautiful
That book is difficult than that one.
more difficult
good
better (comparative), best (superlative)
sadder
hungry
hungriest
Mount Everest is the high mountain in the world.
highest
bad
worse (comparative), worst (superlative)