This volume serves as a comprehensive reference and practice tool designed to clarify the structural mechanics of the English language for students. The author, Dave Willis, utilizes the extensive corpus data associated with the Collins Cobuild project to provide explanations grounded in authentic language usage. The text organizes grammatical rules into a logical framework intended to assist learners in moving from basic comprehension to advanced application of English syntax and morphology.

The text is regarded as a functional, data-driven resource that prioritizes clarity and practical application for non-native speakers of English. Its reliance on corpus linguistics provides a reliable foundation for students seeking to understand the nuances of contemporary English grammar.