The Workbook accompanying each level of Focus on Grammar provides additional exercises for self-study of the target grammar for each unit. Tests included in each Workbook provide students with additional opportunities for self-assessment.
Focus on Grammar helps students understand and practice English grammar through contextualized listening, speaking, reading, and writing activities. Focus on Grammar combines controlled and communicative practice with critical thinking skills and ongoing assessment. Это и многое другое вы найдете в книге Focus on Grammar 4: Workbook (Marjorie Fuchs, Margaret Bonner)