Focus on Word Building

I. Form adjectives from these words following the pattern

ir-, un-, il- + adjective makes a negative adj.
Pattern: legal-illegal
verb + -able makes an adjective
Pattern: adore-adorable

Regular, frequented, accept, friendly, finished, fit, favourable, natural, like, agree, understand, eat, drink, logical, legitimate, real, advise, argue, common, clear, usual, conscious, necessary.