happy - ? - ?
happier the happiest
? - ? - the greatest
great greater
bad - ? - the worst
worse
? - more interesting - the most interesting
interesting
? - better - ?
good the best
? - ? - the newest
new newer
small - ? - the smallest
smaller
beautiful - ? - ? (in the answer no commas, nothing)
more beautiful the most beautiful
big - bigger - ?
the biggest
? - nicer - ?
nice the nicest
old - older - ?
the oldest
easy - easier - ?
the easiest