Norman Coe & Mark Harrison 
Oxford Practice Grammar Basic with answers [EPUB ebook] 

Refreshed with a new design, Oxford Practice Grammar is a three-level English grammar practice series for the classroom or self-study. Its tried and trusted methodology provides clear explanations and lots of extra practice. Oxford Practice Grammar knows that students need different types of explanation and practice at each stage of their study. Basic provides lots of practice and short explanations; Intermediate gives you more detail with extended practice; Advanced gives challenging practice activities and in-depth explanations. Great for classroom or self-study. Great downloadable resources to support you when using Oxford Practice Grammar can be found at https://elt.oup.com/student/practicegrammar