To provide a more accurate response, it would be helpful to know the specific context or sentence examples you are referring to for the use of commas. However, here are some general rules for when to use commas:
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Items in a List: Use commas to separate items in a series.
- Example: I bought apples, oranges, bananas, and grapes.
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Before Coordinating Conjunctions: Use a comma before a coordinating conjunction (for, and, nor, but, or, yet, so) when it connects two independent clauses.
- Example: I wanted to go for a walk, but it started raining.
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Introductory Elements: Use a comma after introductory words, phrases, or clauses.
- Example: After the meeting, we went out for dinner.
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Non-Essential Information: Use commas to set off non-essential clauses or phrases that add information but are not critical to the meaning of the sentence.
- Example: My brother, who lives in New York, is visiting us next week.
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Direct Address: Use commas when directly addressing someone or something in a sentence.
- Example: Let's eat, Grandma!
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Dates and Addresses: Use commas to separate elements in dates and addresses.
- Example: She was born on July 4, 1990, in Los Angeles, California.
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Adjectives: Use commas to separate two or more coordinate adjectives that describe the same noun.
- Example: It was a long, exhausting day.
If you have specific sentences or examples, please share, and I can help you determine where to place commas!