Over the years, I’ve learned a lot about English grammar and usage — most of which I promptly forgot. And not for lack of use. Every day I apply what I’ve learned to catch and fix writers’ mistakes.

I've just learned a horrifying fact: I've been pluralizing the name "Prius" incorrectly, and you probably have been, too. Did you assume that the regular rules of English plural words applied, such ...

Although English-language verbs generally don’t inflect or change in form to agree with the subject in number, they do so in the present tense, third-person singular.

For more than a millennium after the fall of Rome, educated Europeans were distinguished by their knowledge of Latin. One of the three subjects of the trivium—the basic tier of a classical education, ...

Toyota Motor Sales finally settled the issue about what do you call more than one Prius. In a campaign started last month during the North American International Auto Show in Detroit, Toyota declared ...

OK, now I don't feel so bad. Check out the second paragraph, last sentence of the GM Fast Lane blog post that's linked below. When your VP of Communications doesn't know the proper plural form for the ...