The couple is going to purchase the house? Or the couple are going to purchase the house? Even after all my years of editing, I can still get tripped up trying to make verbs agree with collective ...

If you were to send my family a letter, you’d have no problem writing out the envelope. My surname is Andersen, so the etiquette rules for writing a plural last name are pretty simple: Just add s! But ...

Every year in this column, I give tips for how to avoid the most common writing mistakes in holiday greetings and invitations. And every year, I’m reminded of just how influential I’m not as people ...

On October 22nd, at 2:50 P.M., @APStylebook tweeted a series of guidelines about how to punctuate possessives of nouns that end in “S”: “For possessives of plural nouns ending in s, add only an ...

Let's talk about the plurals of compound nouns. I submit to you: passers-by, hangers-on, attorneys general, brothers-in-law, and culs-de-sac. What about "month end" how would that be pluralized?