The English Grammar Handbook App is an educational tool designed to help intermediate learners improve their understanding of English grammar. Developed by kbmobile, this free app offers a comprehensive guide to essential grammar rules.

With eight chapters covering a range of topics, this app provides concise explanations and interactive quizzes for each lesson. It also includes a final test at the end of each chapter to assess your progress. The first chapter focuses on the order of adverbs, while the second chapter delves into frequency adverbs. The third chapter explores the usage of "who" and tag questions, while the fourth chapter tackles embedded questions.

In addition, the fifth chapter focuses on prepositions and phrasal verbs, providing in-depth lessons and quizzes to reinforce your understanding. Overall, the app offers 45 grammar lessons, quizzes for each topic, and six comprehensive chapter tests.

Whether you're preparing for an English proficiency exam or simply looking to enhance your grammar skills, the English Grammar Handbook App is a valuable resource for intermediate learners. Download it now and take your English grammar knowledge to the next level.