How to Use an Apostrophe. I was all prepared to get my Grammar Nazi hat on and be all “YEAH BABY!” about that site, but you know what? It really is kind of complicated. I can see where people just learning to speak English might get confused by all the exceptions. Still, if you’re a native English speaker that’s read a book EVER, you should know this stuff. On a related note, I was amused to see that the laminated sign in our office elevator that previously read “VISITOR’S PLEASE REPORT TO RECEPTION” has been attacked with some Wite-Out. Punctuation vigilantes to the rescue!