This document discusses types of morphemes including free morphemes, bound morphemes, and zero morphemes.
Free morphemes can stand alone as words and have meaning on their own. They include lexical morphemes like nouns, verbs, adjectives and adverbs. Grammatical free morphemes include articles, prepositions and pronouns.
Bound morphemes cannot stand alone and are affixes that attach to free morphemes, changing the word's meaning. Common bound morphemes are prefixes, infixes, and suffixes. Inflectional suffixes do not change a word's grammatical category while derivational suffixes do change the category. Some words have zero