They direct readers through sentences, indicating pauses, stops, and even the emotional tone of the text
Puntuation
ends a complete declarative or imperative statement
-is used after abbreviations (e.g. Dr., M.D.)
Commas
Other key punctuation marks:
*Enclose direct speech or quoted text
*In American English, periods and commas always go inside these
Quotation Marks (“ “)
*Show possession
*Form contractions, indicating omitted letters
*Used to form the plural of single letters
Apostrophes (‘)
Why Puntuation Matters
Common Punctuation Pitfalls