Swan Michael, Baker David. Grammar Scan. Diagnostic Tests for Practical English Usage

3rd Edition. — Oxford University Press, 2008. — vii, 191 p. — ISBN 978-0-19-442272-7.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.
They are diagnostic tests, designed to be used with Practical English Usage (Third Edition).
They will help you to check what you know, and what you don't know, about English grammar and usage. By using these tests you can discover what you need to iearn, and where to find the necessary explanations.
The tests arc at three levels: Upper Intermediate (29 tests), Advanced (29 tests), Expert (30 tests).
Each test has questions on one general area of grammar or usage (for example 'past and perfect tenses’, 'adjectives', 'articles’, 'confusable words’).