Complex sentence: Back inside, Michael gets up and tries to strangle Laurie, but Loomis arrives in time to save her, shooting Michael until he falls from the second-story patio and onto the lawn below.
Split into simpler sentences: Back inside, Michael gets up and tries to strangle Laurie, but Loomis arrives in time to save her. Loomis shoots Michael until he falls from the second-story patio onto the lawn below.