Prolinguam Publishing, 2019. — 108 p.
A guide to using English correctly for high B1, and B2-C2 CEFR levels
Shows you the most common grammar errors and how to avoid them.
Explains the difference between words that are often confused.
Gives special guidance for students of academic English.
Includes tips on spelling and punctuation.
Gives clear examples of correct usage.
Includes exercises and an answer key.
Easy to use A-Z format.