English is the most widely used language in almost all countries. Yet a lot of people – students and working people alike – lack in the understanding of grammatical concepts which are essential for error-free and acceptable form of the language. The explanations and exercises provided in this book will equip the learners – native as well as non-native speakers of the language – the basic understanding of English Language and will enable them to acquire skills necessary for the specific purpose of comprehending text and responding suitably using grammatically correct language.