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  1. Commas | Punctuation Rules and Examples - GrammarBook.com

    Use commas to separate words and word groups in a simple series of three or more items. Example: My estate goes to my husband, son, daughter-in-law, and nephew. Note: When the …

  2. Comma - Wikipedia

    The comma , is a punctuation mark that appears in several variants in different languages. Some typefaces render it as a small line, slightly curved or straight, but inclined from the vertical; …

  3. The Comma in Punctuation - ThoughtCo

    Apr 29, 2025 · A comma is a punctuation mark that separates elements and ideas within a sentence. The comma is the most common mark of punctuation—and the most commonly …

  4. Rules for Using Commas, With Examples | Grammarly

    Jul 1, 2023 · There are lots of rules about comma usage, and often the factors that determine whether you should use one are quite subtle. But fear not! Below, you’ll find guidance for the …

  5. Comma - The Punctuation Guide

    Sometimes, the comma indicates a pause that would occur if the sentence were spoken aloud. Other times, the comma separates grammatical components of the sentence. Finally, there …

  6. Guides: Write Clearly: Punctuation: Using Commas

    Jan 5, 2026 · What is a comma? A comma is a punctuation mark (,) used to help readers understand how parts of a sentence are related to one another. If you're not sure about the …

  7. Using Commas - Grammar Monster

    You do not have to use a comma after an adverbial clause or phrase, but a comma will make it clear where the main clause starts. When an adverbial clause or phrase is very short (e.g., …

  8. What Are Commas (,) And How Do You Use Them? - Thesaurus.com

    Feb 23, 2022 · A comma is a punctuation mark that represents a short pause and is used to divide parts of a sentence. A comma usually resembles a dot with a tail (,) and is placed at the …

  9. Commas: Quick Rules - Purdue OWL® - Purdue University

    The comma is a valuable, useful punctuation device because it separates the structural elements of sentences into manageable segments. The rules provided here are those found in …

  10. When to Use a Comma (,) | Guide, Rules & Examples - Scribbr

    Commas are used to split up different parts of a sentence, and when used correctly they bring clarity and flow to your writing. They’re probably the most common piece of punctuation in …