Popular
more popular - the most popular
Strong
stronger - the strongest
Dangerous
more dangerous - the most dangerous
Long
longer - the longest
Large
larger - the largest
Pretty
prettier - the prettiest
New
newer - the newest
Careful
more careful - the most careful
Fat
fatter - the fattest
Thin
thinner - the thinnest
Modern
more modern - the most modern
Short
shorter - the shortest
Dirty
dirtier - the dirtiest
Easy
easier - the easiest
Heavy
heavier - the heaviest
Happy
happier - the happiest
Expensive
more expensive - the most expensive
Young
younger - the youngest
Good
better - the best
Fast
faster - the fastest
Old
older - the oldest
Beautiful
more beautiful - the most beautiful
Hot
hotter - the hottest
Cheap
cheaper - the cheapest
Difficult
more difficult - the most difficult
Funny
funnier - the funniest
Nice
nicer - the nicest
Cold
colder - the coldest
Boring
more boring - the most boring
Bad
worse - the worst