Use a comma to separate two independent clauses when they are joined by one of seven coordinating conjunctions (for, and, nor, but, or, yet, so). We were out of ice cream, so I went to the store. (c) ...

Contrary to popular belief, commas don't just signify pauses in a sentence. In fact, precise rules govern when to use this punctuation mark. When followed, they lay the groundwork for clear written ...

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From VOA Learning English, this is Everyday Grammar. Imagine you are taking a trip in a foreign country. You are driving a rental car that you got at the airport. What could help you find your way in ...