- Clear, contextualized, and interactive, the five-level Focus on Grammar Interactive provides a communicative review of English grammar that covers all language skills through a comprehensive, motivating, and fun practice of grammar points and skills.Focus on Grammar Interactive is now available online. Students can log in from home, from the lab, or from any location with Internet access. Teachers can manage their class, set assignments, and monitor students’ progress with the program’s easy-to-use management tools.The Focus on Grammar Interactive online course mirrors the syllabus of the best-selling textbook series, Focus on Grammar, Third Edition.