Comma Worksheets with Answer Key

Comma worksheets provide a valuable opportunity for students to practice and master the usage of this essential punctuation mark. With clear instructions and a convenient answer key, these worksheets are designed to enhance students' understanding of when and where to use commas in their writing. Whether you are a teacher looking for additional resources or a student aiming to improve your comma skills, these worksheets offer a comprehensive approach to mastering this important aspect of grammar.

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What is a comma?

A comma is a punctuation mark used to separate elements in a sentence, indicate a pause, or clarify meaning by indicating a list, series, or division within a sentence.

What are the different uses of commas?

Commas are used to separate items in a list, set off introductory phrases or clauses, separate independent clauses in compound sentences, set off nonessential information, and separate contrasted elements.

When should a comma be used before a conjunction?

A comma should be used before a conjunction when joining two independent clauses (complete sentences) to indicate a pause or separation between them. This is known as a comma splice, and it helps improve clarity and readability in writing.

What is the rule for using commas after introductory phrases or clauses?

The rule for using commas after introductory phrases or clauses is to include a comma after any phrase or clause that comes before the main clause of a sentence. This helps to separate the introductory part from the main part of the sentence, providing clarity and aiding in smooth reading and comprehension.

In a list, what is the purpose of using commas?

The purpose of using commas in a list is to separate items or elements in order to make the list more readable and to help clarify the individual components being listed.

When should commas be used to set off nonessential information within a sentence?

Commas should be used to set off nonessential information within a sentence when the information is not crucial for the sentence's meaning or structure. Nonessential information can include additional or descriptive details, such as appositives or nonrestrictive clauses, that can be removed without changing the essential meaning of the sentence. This helps to clarify the main point of the sentence and makes it easier for readers to understand the intended message.

How should commas be used when addressing someone directly in a sentence?

Commas should be used when addressing someone directly in a sentence by placing the person's name or title between the rest of the sentence and the comma. For example, "Julia, could you please pass the salt?" or "Doctor Smith, how long will the procedure take?" The comma serves to set off the name or title, making it clear that the speaker is directly addressing the person.

Should a comma be used between two adjectives that modify the same noun?

Yes, a comma should be used between two adjectives that modify the same noun if they are coordinate adjectives, meaning they could be used in reverse order and still make sense. This is known as the "FANBOYS" rule, where you can put the word "and" between the two adjectives. For example, "She wore a long, flowing dress.

What is the rule for using commas in dates, locations, and addresses?

In dates, use commas to separate the day of the week from the rest of the date and to offset the year when it follows the month and day. In locations, use commas to separate the city from the state, country, or other location details. In addresses, use commas to separate the street address from the city and state, and to separate different parts of the address such as building number, street, city, and state.

How should commas be used when quoting someone or inserting dialogue into a sentence?

When quoting someone or inserting dialogue into a sentence, commas should be placed inside the quotation marks at the end of the quoted material. For example, "I can't wait to see you," she said. This is the standard practice in American English.