It is designed to support learners in identifying and practicing only those areas of grammar that arerelevant to their individual needs. Each unit begins with an overview page, which presents each key grammar point clearly through rule explanation, tables,charts and example sentences. This allows students to first revise and consolidate their knowledge before completing the exercises in the pages that follow. All of the grammar exercises can be practiced at various levels of difficulty and are labeledaccordingly. Learners are thus able to navigate through and independently select those grammar exercises that best match their individual language levels and needs.