Every student has had this dreaded interaction with a K-12 teacher. "Can I use the restroom?" “I don't know, can you?” Not only is it unoriginal, but most children will not understand the grammatical problem at hand. That's because there is no grammatical problem with “Can I use the restroom,” and teachers who act like there is are simply in the mood to be pedantic. There is a specific Southern brand of this interaction that I remember vividly from elementary school. “May I use the restroom?” “…