The Practice English Grammar application contains various exercises related to English grammar. It covers basic, intermediate and more advanced grammar-related issues such as: grammatical tenses, infinitives, participles, modal verbs, dependent speech, passive word, connecting mode, compound sentences, conditional modes, prepositions, phrasal verbs and Determiners. This application is addressed to persons taking examinations in which grammar exercises (high school graduates, basic and extended level, students passing the B2 level exam, etc.) and all those who want to check or refresh their knowledge of grammar structures are present. The exercise database is constantly updated so that trainees can improve their skills based on various examples. For the inquisitive, grammar explanations can be found in the book "English Grammar - or what you need to know to understand it" by Tomasz Makaruk.