Ответ:
hard-harder-the hardest;
cold-colder-coldest;
soft-softer-the softest;
tall-taller-the tallest;
rich-richer-richest;
mad-madder-maddest;
funny-funnier-the funniest;
big-bigger-biggest;
sad-sadder-saddest;
busy-busier-busiest;
noisy-noisier-the noisiest.