📗 Libro en inglés GRAMMAR TROUBLESPOTS 3RD EDITION

Ideal for student writers, this compact grammar reference guide contains many challenging and useful practice activities. This text provides a guide to the 20 most common errors students make in writing, such as subject-verb agreement, verb tense choice, and article usage. Each unit contains a straightforward description of the troublespot and practice activities. An answer key enables students to use the book as a self-study reference guide.