helpful - more helpful - the most helpful simple - simpler - the simplest happy - happier - the happiest terrible - more terrible - the most terrible narrow - narrower - the narrowest severe - severer - the severest difficult - more difficult - the most difficult untidy - untidier - the untidiest modern - more modern - the most modern warm - warmer - the warmest Low - lower - the lowest big - bigger - the biggest tender — more tender — the most tender expensive - more expensive - the most expensive wise — wiser — the wisest
simple - simpler - the simplest
happy - happier - the happiest
terrible - more terrible - the most terrible
narrow - narrower - the narrowest
severe - severer - the severest
difficult - more difficult - the most difficult
untidy - untidier - the untidiest
modern - more modern - the most modern
warm - warmer - the warmest
Low - lower - the lowest
big - bigger - the biggest
tender — more tender — the most tender
expensive - more expensive - the most expensive
wise — wiser — the wisest