Oxford practice grammar

Norman Coe: Oxford Practice Grammar: Basic: with Key

George Yule: Oxford Practice Grammar: Advanced: with Key

Oxford International Resources: Writing and Grammar Skills: Practice Book 5

Oxford International Resources: Writing and Grammar Skills: Practice Book 4

Oxford University Press Rachel Godfrey Practice Grammar: Intermediate: Lesson Plans and Worksheets: The right balance of English grammar explanation practice for your language level (Oxford Grammar)

Oxford University Press Yule, George Practice Grammar. Advanced Student's Book with Tests and Practice-Boost CD-ROM. New Edition