Нужно сделать сравнительную и превосходную степень у этих слов New, old, lucky, big, nice, young, good, sad, difficult, angry, warm, dry, grey, effective, mad, short, thin, long, pleasant, stupid, common, polite, able, little.
New - newer - the newest old - older - the oldest lucky - luckier - the luckiest big - bigger - the biggest nice - nicer - the nicest young - younger - the youngest good - better - the best sad - sadder - the saddest difficult - more difficult - the most difficult angry - angrier - the angriest warm - warmer - the warmest dry - drier - the driest grey - greyer - the greyest effective - more effective - the most effective mad - madder - the maddest short - shorter - the shortest thin - thinner - the thinnest long - longer - the longest pleasant - more pleasant - the most pleasant stupid - more stupid - the most stupid common - more common - the most common polite - more polite - the most polite able - abler - the ablest little - less - the least