A
small
smaller/the smallest
short
shorter/the shortest
tall
taller/the tallest
old
older/the oldest
long
longer/the longest
hot
hotter
fat
fatter/the fattest
big
bigger
thin
thinner/the thinnest
sad
sadder/the saddest
happy
happier/the happiest
nasty
nastier/the nastiest
funny
funnier/the funniest
easy
easier/the easiest
busy
busier/the busiest
beautiful
more/the most beautiful
expensive
more/the most expensive
dangerous
more/the most dangerous
comfortable
more/the most comfortable
popular
more/the most popular
famous
more famous/ the most famous
quiet
quieter/the quietest
polite
more polite/ the most polite
modern
more/the most modern
serious
more/the most serious