Comma Before or After And | Correct Use & Examples
Put a comma before “and” when it’s used to connect two independent clauses. An independent clause contains both a subject and a verb and can function as a standalone sentence.
However, no comma should be used when “and” connects two verbs with the same subject. In the following example, the subject, Peter, performs both actions (working and sleeping).
These rules also apply to using commas with the coordinating conjunctions “or” and “but.”
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