This book is mainly written to give simple and easy-to-learn tutorials about the most essential English grammar rules. The grammar rules are explained simply and clearly, followed by examples. The given examples are intelligible and comprehensible. They enable the learners to depend on themselves while learning. After that, tens of exercises are supplied for each grammar rule individually. The exercises include questions with multiple choices and scrambled sentences that need to be rearranged. There are also exercises about finding the mistakes and correcting them in given sentences. In addition, there are many exercises that require sentence completion. Some exercises include sentences to be rewritten correctly using given words.