The book attempts to enhance the language competence of all. In linguistics, word formation is the creation of a new word, word formation is sometimes contrasted with semantic change, which is a change in a single word’s meaning. Word formation can also be contrasted with the formation of idiomatic expressions. It gives equal importance to the terminology and sentence structure for acquiring linguistic proficiency in expressing oneself. Since the book deals with different parts of speech and their usage in sentence construction, it is of tremendous help to you in the selection of appropriate words to express your ideas accurately and effectively. This book will be extremely useful to students, aspirants of competitive exams, professionals and of course, learners of English language.