Big -bigger-the biggest
hot-hotter-the hottest
dirty-dirtier-the dirtiest ?
noisy-noisier-the noisiest ?
interesting-more interesting-the most interesting
small-smaller-the smallest
beautiful-more beautiful-the most beautiful
good-better-the best
bad-worse-the worst
fast-faster-the fastest
modern-more modern-the most modern ?
young-younger-the youngest
wonderful-more wonderful-the most wonderful
simple-simplier-the simpliest ?
happy-happier-the happiest
nice-nicer-the nicest ?
tall-taller-the tallest
P.S Там где вопрос.знак,не уверен,сравнивай с учебником/переводчиком