“Preposition Stranding” or “Ending a Sentence on a Preposition” 

“That is the type of arrant pedantry up with which I shall not put.” – Winston Churchill

Whatever you think of Winston Churchill, you can’t fault his ability to turn a phrase. The above sentence perfectly encapsulates the absurdity of one of English grammar’s most odd rules. Grammar rules exist to help create ease of communication. They take use patterns that have arisen over decades of use and codify them for future people to study in order to pass on language skills and to maintain soci...