Build a strong foundation in the English language. Learn what makes some aspects of the language interesting. This series of reference books are specially produced to help learners use the language effectively. Key Features: ? All the explanations are supported by numerous example sentences. ? Notes on usage and useful grammar points are provided where relevant. ? Exercises that provide practice to consolidate learning.Build a strong foundation in the English language. Learn what makes some aspects of the language interesting. This series of reference books are specially produced to help learners use the language effectively. Key Features: ? All the explanations are supported by numerous example sentences. ? Notes on usage and useful grammar points are provided where relevant. ? Exercises that provide practice to consolidate learning.