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) ...

A comma helps to make meaning clear by separating words, phrases or clauses in a sentence. Commas are used to separate clauses, coordinate adjectives and items in a list. Commas are also used to ...