When I saw “men’s’ clothing” with two apostrophes, I figured it must be a typo. I was editing a professional writer who’s been on the job for years, and I know from experience that writers make typos, ...

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 ...

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 ...

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 ...

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?

Usually English plurals are pretty easy. Just add s: one dog, two dogs. We know some plurals don't use s: children, deer. There are some nouns that we seem to use only in the plural: thanks, ...

Sometimes a noun looks like it should be plural when it isn’t. Chances are that this noun is called a mass noun. Mass nouns are nouns that, by their very nature, are plural. These are also called ...