While there are no hard and fast rules about punctuation, there are good style guidelines. This is a list of our ten most commonly used punctuation marks and a guide to their use. 10. Comma Use commas to separate independent clauses in a sentence, for example: The game was over, but the crowd refused to leave. Eats, Shoots & Leave… Lynne Truss Best Price: $1.21 Buy New $6.28 (as of 10:10 EST – Details) Yesterday was her brother’s birthday, so she took him out to dinner. Use commas after introductory words, phrases, or clauses that come before the main clause: While I … Continue reading Top 10 Rules of Punctuation