The main goal of this book is to provide an impressive and invaluable collection of common mistakes to avoid when using English language. This book (part I) comprises different items and will take you on a beautiful journey towards improving your English. The following subjects have been especially crafted for you, with regard to a multitude of topics, like: Misused Forms, Incorrect Omissions, Unnecessary Words, Misplaced Words, Confused Words. This book is suitable for students with at least A2 English level and above.