Develop your grammar 'know-how' Grammar structures are explained in detail. Extended practice activities build your confidence. Test your progress Take the online diagnostic test practicegrammar to find out what you need to practise. Use the progress tests in the book to find out what you have learned - and what needs more practice. Use the exit test to see if you are ready for Oxford Practice Grammar Advanced. Oxford Practice Grammar Intermediate covers the grammar you need to prepare for the First Certificate exam.