The complete guide to SAT grammar, revised for the digital test. Contains a full chapter devoted to each concept, tips and shortcuts as well as step-by-step explanations, and dozens of practice questions with detailed explanations. To make the study process as efficient as possible, this guide is also organized so that the most frequently tested concepts are covered first. Key ideas are then reinforced through cumulative reviews covering a progressively wider range of topics, with test-style question sets covering all topics placed at the end.