This app can be used in self teaching of languages and as an addition to English lessons. With this course one can master grammar easily, learn to build sentences quickly and correctly. It will also help to avoid mistakes in oral speech and writing. For better understanding of the material and remembering rules, the self-study app is built as simple and visually clear schemes. Within each lesson one can take a theme test, and vice versa, within each test one can open a tip on a given unit. Besides, there is an opportunity to practice grammar, taking a complex test which saves the results. This training method is suitable and easy to use for both adults and children. List of grammar topics: - Personal, object pronouns and possessive adjectives; - Articles; - Time and prepositions of time; - Prepositions of place; - Question words; - Comparative degree of adjectives; - Table of tenses (Simple, Continuous, Perfect and Perfect Continuous) with the use of constructions for building affirmative, negative and interrogative sentences; - Dictionary of irregular verbs with transcription in a learning and a self-check modes. The exercises are targeted for Elementary and Intermediate levels of knowledge. Another app of ours from the series "Learn and play. English" will help you to expand your vocabulary.