Образуйте степени сравнения прилагательных. polite,careful,quick,different,narrow,pretty,sad,big,happy,nice,old,sweet.

polite-  more polite- the most polite

careful- more careful- the most careful

quick- quicker - the quickest

different- more different-- the most  different-

narrow- narrower - the  narrowest

pretty- prettier- the prettiest

sad- sadder- the saddest

big- bigger- the  biggest

happy- happier- the happiest

nice- nicer- the nicest

old- older- the oldest

sweet-sweeter- the sweetest