Use of English AI

Use of English AI is a digital platform designed to help learners prepare for the Cambridge English exams across four CEFR levels: B1 Preliminary (PET), B2 First (FCE), C1 Advanced (CAE), and C2 Proficiency (CPE). The service focuses on the "Use of English" component of these tests, but also covers reading, writing, and grammar exercises. Users can select their target level and then choose from various exercise types, including multiple-choice cloze, open cloze, word formation, key word transformations, and more. Each exercise is generated dynamically by an artificial intelligence engine, creating virtually unlimited variations of official exam-style questions. This means that instead of relying on a fixed set of past papers, the platform can produce fresh practice material each time a user returns, helping to avoid memorization and ensuring repeated exposure to different question patterns. The system is trained on data from over 15,000 official Cambridge exams, which provides a strong foundation in the structure, vocabulary, and grammar patterns typical of the real tests. Beyond simple practice, the platform offers immediate feedback on answers. When a user completes an exercise, the AI evaluates their responses, highlights errors, and provides explanations or hints for improvement. This feedback loop allows learners to identify specific weaknesses—such as incorrect preposition usage, verb tense mistakes, or collocation errors—and address them directly. The platform also tracks user performance over time, showing progress in each skill area and level. For example, a user preparing for B2 First can see how their accuracy in word formation tasks has changed after ten sessions. The service is available both as a web application and through mobile apps on iOS and Android,