The grammar workbook that accompanies Tobira: Gateway to Advanced Japanese holistically supports advancing grammar skills by presenting grammar exercises in order of difficulty. Learners begin with basic grammar problems and advance to applied exercises that help them express their own ideas on topics covered in Tobira. You will enjoy studying various grammar forms in depth because of its varied exercises including combined grammar forms, similar expressions, and problems that nurture writing skills. Answer sheets can be easily separated out from the book.