15. Form a comparative and superlative degree of the following adjectives. Big, heavy, short, dirty, clean, near, bad, famous, little, much,clever, good expensive, cheap, important, pale, hot, beautiful, large,practical, fat, early, pretty, happy, bright, dark, dry, flat, fresh, full,quick, late, nice, rich, sad, thin, thick, wet.

Big -bigger -the biggest

heavy- heavier- the heaviest

short- shorter -the shortest

dirty- dirtier - the dirtiest

clean- cleaner - the cleanest

near - nearer- the nearest

bad- worse - the worst

famous- more famous - the most famous

little- less - the least

much -more- the most

clever- cleverer-the cleverest

good- better- the best

expensive- more expensive- the most expensive

cheap- cheaper- the cheapest

important- more important- the most important

pale- paler- the palest

hot- hotter- the hottest

beautiful- more beautiful- the most beautiful

large- larger - the largest

practical- more practical- the most practical

fat- fatter - the fattest

early- earlier- the earliest

pretty- prettier-the prettiest

happy- happier- happiest

bright- brighter - the brightest

dark- darker - the darkest

dry - drier- the driest

flat - flatter- the flattest

fresh- fresher- the freshest

full - fuller- the fullest

quick - quicker -the quickest

late - later - the latest

nice- nicer - the nicest

rich- richer - the richest

bad- sadder - the saddest

thin - thinner- the thinnest

thick - thicker - the thickest

wet -wetter - the wettest