Grammar Scan includes diagnostic tests at Upper-Intermediate, Advanced, and Expert levels to check students' knowledge of key aspects of English grammar and usage. The tests, which are designed to be used with Practical English Usage, Third Edition, help students identify the topics they need to study or revise. The answer keys refer students to the explanations in the relevant sections of Practical English Usage.
Michael Swan is a writer specializing in English Language teaching and reference materials. His many publications include Practical English Usage (OUP), the Cambridge English Course series (with Catherine Walter), and, also with Catherine Walter, the new Oxford English Grammar Course. Michael’s interests include pedagogic grammar, mother-tongue influence in second language acquisition, and the relationship between applied linguistic theory and classroom language-teaching practice. He has had extensive experience with adult learners, and has worked with teachers in many countries.