Assemblywoman Naomi Rivera, in conjunction with Montefiore Medical Center and Beth Abraham Family of Health Services, is sponsoring a free screening of the film, “Transformers” on Mosholu Parkway (between Van Cortlandt and Bainbridge avenues), tomorrow at 8:30 p.m., preceded by a free blood pressure screening at 7 p.m. Bring lawn chairs and blankets. For more information, call Rivera’s office at (718) 409-0109. Other sponsors of the series include Cablevision, BRONXNET, and the Bronx Council on the Arts.