Classification of Morphemes free morphemes and bound morphemes free morpheme:It may constitute a word by itself. E.g.care,man bound morpheme:It must appear with at least one other morpheme,bound or free,in a word. Affixes are bound morphemes. e.g.careful,manly,credibleClassification of Morphemes free morphemes and bound morphemes free morpheme: It may constitute a word by itself. E.g. care, man bound morpheme: It must appear with at least one other morpheme, bound or free, in a word. Affixes are bound morphemes. e.g. careful, manly, credible