This document discusses enclitics in modern Greek grammar. It defines enclitics as one-syllable words that lose their accent or stress is moved to the last syllable of the preceding word. Common enclitics in Greek are weak personal and possessive pronouns like "mu" and "se". The document provides examples of how enclitics can cause the stress of the previous word to shift. It also discusses cases where the previous word does or does not take on the stress of an enclitic.