The Preposition Unit includes worksheets, tests, keys, a song for memorizing the prepositions, and tips to make grammar fun. Kids challenge themselves to memorize the song. After playing with the catchy tune, I let them know that they now have the magic formula for identifying a complete sentence and for determining subject/verb agreement. Click here to follow me and stay up to date on new products and happenings.Includes the following:Six worksheets and keysFour tests and keysExample sentenc