[Machine Translation] 40 training exercises based on practice exam questions; 3 levels of training for steady improvement; thorough explanations of basic English grammar, including 5 sentence patterns; and a series of exercises that enable students to read complex sentences. A group of questions that will enable you to read complex sentences. Unique explanations that enable a three-dimensional understanding of sentence structure. Covers everything up to relative pronouns in an easy-to-understand manner.