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 ...

Here’s an interesting question posed to me recently: Which of the following sentences is punctuated correctly? Look for fresh basil at your local grocery store, and, if it isn’t available, tell the ...

Q: Years (and years!) ago when I learned grammar and usage from the Sisters of St. Joseph in a Brooklyn, N.Y., grammar school, a series of nouns used a comma to separate the nouns until the last one, ...