3.10 Greek uses four marks of punctuation: Period: . Colon and Semicolon: · Comma: , Question Mark: ; Chapter Navigation Key Terms and Concepts Accents and Breathing Marks Breathing Marks Accent Marks Accenting Diphthongs and Contract Vowels Punctuation Marks Elision and the Movable Nu Exercises Charts JPG Book Nav Accenting Diphthongs and Contract Vowels Elision and the Movable Nu