The comma is the most abused punctuation mark. Writers are sometimes so worried about following rules that they forget to pay attention to the way the words sound when spoken. Commas help a reader understand the rhythm of the sentence. If you are having comma problems, try saying your sentence out loud, and listening for natural pauses. The function of a comma is to slow the reader down briefly and make the reader pause. The omission of a comma can cause phrases and clauses to crash into one another,

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