general rule er/est
comparative of tall
taller than
superlative of happy
the happiest
comparative of nice
nicer than
superlative of fat
the fattest
comparative of intelligent
more intelligent
comparative of old
older than
comparative of easy
easier than
superlative of strange
the strangest
comparative of big
bigger than
superlative of elegant
the most elegant
superlative of small
the smallest
superlative of lazy
the laziest
comparative of large
larger than
superlative of thin
the thinnest
comparative of beautiful
more beautiful
superlative of short
the shortest
comparative of heavy
heavier than
superlative of wise
the wisest
comparative of fat
fatter
superlative of handsome
the most hansome
comparative of fast
faster
superlative of crazy
the craziest
comparative of wide
wider than
superlative of wet
the wettest
superlative of dangerous
the most dangerous