Happy - happier - the happiest - счастливый
sad - sadder - the saddest - грустный
rich - richer- the richest - богатый
poor - poorer - the poorest - бедный
interesting - more interesting - the most interesting - интересный
clever - cleverer - the cleverest (по правилам, вроде так, хотя звучит убийственно) - умный
narrow - narrower/more narrow - the narrowest/the most narrow - узкий
large - larger - the largest - большой
silly - sillier- the silliest - глупый
high - higher - the highest - высокий
low - lower - the lowest - низкий
fat - fatter - the fattest - толстый, жирный
thin - thinner - the thinnest - худой, тонкий
good - better - the best - хороший
bad - worse - the worst - плохой
ugly - uglier - the ugliest - уродливый
terrible - more terrible - the most terrible - ужасный
dirty - dirtier - the dirtiest - грязный
young - younger - the youngest - юный, молодой
hot - hotter- the hottest - горячий
greedy - greedier - the greediest - жадный
boring _ more moring - the most boring - скучный
successful - more succwssful - the most successful - успешный
expensive - more expensive - the most expensive - дорогой
cheap - cheaper - the cheapest - дешевый
friendly - frendlier/more friendly - the frendliest - the most friendly - дружелюбный