https://www.khanacademy.org/ela/7th-and-8th-grade-grammar/x9e6f4267f632f2c6:punctuation-and-capitalization-7/x9e6f4267f632f2c6:using-commas-to-separate-items-descriptions-and-clauses-7/a/using-commas-to-separate-items-and-descriptions-grammar-7-8 2026-07-14T16:50:57.872518177Z Using commas to separate items and descriptions Learn how to use commas to separate items and descriptions. article https://www.khanacademy.org/humanities/grammar/punctuation-the-comma-and-the-apostrophe/introduction-to-commas/v/punctuating-a-list-commas-punctuation-khan-academy 2021-09-02T15:20:35.158460229Z Punctuating lists Learn how to use commas to punctuate a written list of people, things, actions, or events.  video https://cdn.kastatic.org/googleusercontent/Q-dml5NQsSo-ctvG0TpPerdwY5KoAVPRNZhFXAyC_ORqv3e0XWGwpUcWX2yBjTxfVdfRJzF4YPpRo1xrLT-YAEg Punctuating lists Learn how to use commas to punctuate a written list of people, things, actions, or events.  https://cdn.kastatic.org/ka-youtube-converted/DBMQOK64VQY.mp4/DBMQOK64VQY.mp4 111 Using commas to separate items, descriptions, and clauses https://www.khanacademy.org/humanities/grammar/punctuation-the-comma-and-the-apostrophe/more-ways-to-use-commas/v/appositives-the-comma-punctuation-khan-academy 2023-09-19T21:32:47.781412264Z Appositives David and Paige explain appositives, noun phrases that clarify or redefine another noun, and how to use commas to set them off in sentences. "My favorite snack, the cookie cat, is back in stock!" is a sentence that uses an appositive. video https://cdn.kastatic.org/googleusercontent/VYcL4adpa5QsJKShRlG8N7FLrLlUQs4LUpB2aUzErWNA5cnWPaeE_i_qXlFC-j19Ka7lXW1e6honEBbmhuF66AM2 Appositives David and Paige explain appositives, noun phrases that clarify or redefine another noun, and how to use commas to set them off in sentences. "My favorite snack, the cookie cat, is back in stock!" is a sentence that uses an appositive. https://cdn.kastatic.org/ka-youtube-converted/QFcaUTd8DgY.mp4/QFcaUTd8DgY.mp4 180 Using commas to separate items, descriptions, and clauses https://www.khanacademy.org/ela/7th-and-8th-grade-grammar/x9e6f4267f632f2c6:punctuation-and-capitalization-7/x9e6f4267f632f2c6:using-commas-to-separate-items-descriptions-and-clauses-7/e/commas-in-lists-coordinate-adjectives-and-appositives-grammar-7-8 2026-07-13T20:21:06.498585062Z Commas in lists, coordinate adjectives, and appositives Practice using commas in lists, coordinate adjectives, and appositives. Hannah Chorley exercise https://www.khanacademy.org/ela/7th-and-8th-grade-grammar/x9e6f4267f632f2c6:punctuation-and-capitalization-7/x9e6f4267f632f2c6:using-commas-to-separate-items-descriptions-and-clauses-7/a/commas-in-compound-sentences-grammar-7-8 2026-07-14T15:00:54.021605571Z Commas in compound sentences Learn how to use commas in compound sentences. article https://www.khanacademy.org/ela/7th-and-8th-grade-grammar/x9e6f4267f632f2c6:punctuation-and-capitalization-7/x9e6f4267f632f2c6:using-commas-to-separate-items-descriptions-and-clauses-7/a/commas-in-complex-sentences-grammar-7-8 2026-07-14T15:00:54.021605571Z Commas in complex sentences Learn how to use commas in complex sentences. article https://www.khanacademy.org/humanities/grammar/punctuation-the-comma-and-the-apostrophe/commas-in-space-and-time/v/commas-and-introductory-elements-the-comma-punctuation-khan-academy 2020-06-23T07:22:40Z Commas and introductory elements In English, you use commas to separate introductory elements from the rest of a sentence. Find out how with David and Paige!  video https://cdn.kastatic.org/googleusercontent/EE4DegQuj4N0ECYPbzkZ0XDpvSl3PhM5vqKOW7yd6zbKKRDS4QUzNpGYCICXAVaOoXamHYxchyh181j69q-jN8PM Commas and introductory elements In English, you use commas to separate introductory elements from the rest of a sentence. Find out how with David and Paige!  https://cdn.kastatic.org/ka-youtube-converted/NvGBug8iORE.mp4/NvGBug8iORE.mp4 275 Using commas to separate items, descriptions, and clauses https://www.khanacademy.org/ela/7th-and-8th-grade-grammar/x9e6f4267f632f2c6:punctuation-and-capitalization-7/x9e6f4267f632f2c6:using-commas-to-separate-items-descriptions-and-clauses-7/e/commas-in-introductory-elements-and-compound-complex-sentences-grammar-7-8 2026-07-13T20:21:06.498585062Z Commas in introductory elements and compound-complex sentences Practice using commas to punctuate introductory elements and compound-complex sentences. Hannah Chorley exercise https://www.khanacademy.org/ela/7th-and-8th-grade-grammar/x9e6f4267f632f2c6:punctuation-and-capitalization-7/x9e6f4267f632f2c6:using-commas-to-separate-items-descriptions-and-clauses-7/e/mixed-practice-commas-grammar-7-8 2026-07-13T20:21:06.498585062Z Mixed practice: Commas Practice comma skills from across the unit. Hannah Chorley exercise