This is a great game because it practices speaking AND writing! Plus, most students already know how to play Battleship, so set-up/explanation is pretty easy!
The first page is the game board, and the second page is directions for play.
If you are teaching -ER verbs, you may be interested in this bundle of all -ER verb activities:
If you are teaching all regular verbs (-ER, -IR, -RE), you may be interested in my regular verb bundle here: