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Comma Rules

• Introduction
• Numbers
• Salutations
• Geographic Places
• »please«
• Affirmatives, Negatives and Question Tags
• Adjectives
• Adverbs
• Enumerations
• Main Clauses
• Conditional Sentences
• Direct Speech
• Introductory Clauses
• Additional Information
• Opposites
• Means of Readability

Commas with Enumerations

Use a comma to separate items in an enumeration.

Example: Old McDonald had a pig, a dog, a cow, a horse.

The comma before “and” is optional. (Choose the option you like best and stick to it.)

Example:
 Old McDonald had a pig, a dog, a cow and a horse.
 Old McDonald had a pig, a dog, a cow, and a horse.

Don’t use a comma before “and” if two items are a unit (“Ham and eggs” as a dish is a unit and should therefore not be separated by a comma.)

Example:
 Old McDonald had soup, ham and eggs and apple pie for dinner.
 Old McDonald had soup, ham and eggs, and apple pie for dinner.

Don’t use a comma if all items in an enumeration are separated by “and”, “or”, “nor” etc.

Example:
 Old McDonald had a pig and a dog and a cow and a horse.
 Old McDonald had a pig or a dog or a cow or a horse.
 Old McDonald neither had a pig nor a dog nor a cow nor a horse.

Exercise

see also: → Semi Colon in Enumerations

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Changed: 10th Dec 2010 19:36

URL: http://www.ego4u.com/en/cram-up/writing/comma?08