Happy - happier - the happiest
beautiful - more beautiful - the most beautiful
new - newer - the newest
lovely - lovelier/more lovely - the loveliest/the most lovely
hot - hotter - the hottest
handsome - more handsome - the most handsome
generous - more generous - the most generous
thin - thinner - the thinnest
busy - busier - the busiest
patient - patienter - the patientest
young - younger - the youngest
comfortable - more comfortable - the most comfortable
rude - ruder - the rudest
fit - fitter - the fittest
large - larger - the largest
pretty - prettier - the prettiest
cheap - cheaper - the cheapest