Jan 20, 2021 · Etymology 2 []. From Middle English-(e)s (third person singular ending of verbs), from Northumbrian Old English-es, -as (third person singular ending).Gradually replaced historical Old English third person singular ending -(e)þ, -aþ (see -eth) during the Middle English and Early Modern English periods. That's just a fact. Get free medium Fries every Friday with a minimum $1 purchase, only in our App with contactless ordering.* *Offer valid 1x use each Friday thru 6/27/21 with contactless mobile ordering with a minimum purchase of $1 (excluding tax). Apostrophe ‘s’ Confusion. One of the main areas of confusion when it comes to the apostrophe ‘s’ is where to put the darn thing. You’ve seen it before the ‘s’ a ton of times, but you’ve also seen it after the ‘s’ and times when it isn’t used at all. Before the ‘s’