book; it's best to have a solid foundation in intermediate grammar first to avoid frustration. Further Exploration Oxford Practice Grammar Online
: Access official supplementary practice exercises and tests from Oxford University Press. Oxford Practice Grammar Levels Guide OXFORD PRACTICE GRAMMAR ADVANCED.pdf
: Comparative and superlative forms, as well as adjectives and adverbs with similar meanings. book; it's best to have a solid foundation
Examples are drawn from real-world usage. OXFORD PRACTICE GRAMMAR ADVANCED.pdf
The vocabulary and sentence structures used in the exercises reflect the language needed for the IELTS, TOEFL, or Cambridge C1 Advanced (CAE) and C2 Proficiency (CPE) exams. How to Use the PDF Version Effectively