Grammar Exercise for Beginners is an introductory course in English grammar consisting of 16 lessons, with an additional 4 bonus lessons available in the full version. The app utilizes an effective methodology with grammatical explanations to ensure a 100% success rate.

The app offers a range of features including voice pronunciation of answers, answer statistics, a helpful table, and a vocabulary dictionary for each exercise. Visual cues and a word and phrase memorization mode are also available to enhance learning. The full version of the app includes a comprehensive summary of the 16 lessons, as well as grammatical explanations for each exercise and sentence.

The grammar topics covered in the app include personal, possessive, reflexive, and indefinite pronouns, verb tenses (simple, continuous, perfect), verb forms, the verb "to be," passive voice, prepositions, comparative and superlative adjectives, time parameters, imperative and command sentences, conditional sentences, the conjunction "чтобы," and ordinal numbers.

In addition to grammar exercises, the app also covers conversational topics such as self-introduction, greetings, farewells, feelings, weather, and many more.

With modes like "Word and Phrase Memorization," "Sentence Formation," and "Free Training," the app provides a variety of ways to practice and improve English grammar skills.

Please note that the information provided is based solely on the details given and no personal opinions or judgments have been included.