To determine whether a comma should be used in a sentence, consider the following guidelines:
1. Use a comma to separate items in a series. Example: She bought apples, oranges, and bananas.
2. Use a comma before a coordinating conjunction (such as "and", "but", "or") to join two independent clauses. Example: I went to the store, and I bought some groceries.
3. Use a comma after an introductory word or phrase. Example: However, she decided to go anyway.
4. Use a comma to set off nonessential information within a sentence. Example: The book, which she had been eagerly waiting for, finally arrived.
These are just a few basic rules for using commas. There are other specific cases where commas are used, so it's important to consult a comprehensive grammar guide for more information.
Using a comma quick check 7
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