Passive Voice Master vs Chá

Passive Voice Master turns one of English grammar’s most confusing topics into a clear, practical learning experience. Start with the logic of passive voice, see exactly how each sentence changes, and practice until the structure feels natural. The app combines a guided converter, complete topic lessons, colorful sentence breakdowns, and focused quizzes in one place. SMART ACTIVE ↔ PASSIVE CONVERTER • Convert clear active sentences into passive voice • Convert passive sentences back into active voice • See the detected tense and the correct passive formula • Follow a step-by-step explanation of every transformation • Use Builder mode for negatives, modals, unusual verbs, and multi-word subjects • Copy the result instantly • Get helpful guidance when a verb does not form a natural passive COMPLETE PASSIVE VOICE ACADEMY Study 13 detailed lessons from foundation to advanced structures: • Present Simple and Past Simple Passive • Present and Past Continuous Passive • Present and Past Perfect Passive • Future Passive • Present and Past Modal Passives • Causatives with have and get • Verbs with Two Objects • Impersonal and Personal Reporting Passives • Passive Gerunds and Infinitives • Get Passive, questions, negatives, and special forms Each lesson includes the core formula, sentence anatomy, usage notes, transformation steps, real examples, common mistakes, and a short interactive check. 130 TOPIC-BASED QUESTIONS Choose any of the 13 topics and answer 10 questions designed to move from easy recognition to more challenging use. Immediate feedback explains why an answer is correct, so every question becomes part of the lesson. BUILT FOR SERIOUS LEARNING • Clear A2–C1 progression • Color-highlighted auxiliary verbs and past participles • Searchable lesson library • No account required • Works as a focused grammar reference for school, exams, and self-study Passive Voice Master is a rule-based learning assistant. For names, highly unusual verbs, phrasal verbs, and complex clauses, review the explanation before using a converted sentence in formal writing.

Chá is an aesthetic flashcard app for learning Mandarin Chinese, one character at a time. Study the official HSK vocabulary (levels 1–6) with clean, distraction-free cards. Each card shows the character, pinyin with proper tone marks, the most common meaning, and a natural example sentence — with on-device audio pronunciation. FEATURES • Official HSK 3.0 word lists (HSK 1–6) • Standard, book-correct pinyin with tone marks • Clear, concise definitions — the meanings you actually need • Natural example sentences for every word • On-device pronunciation audio (no internet required) • Spaced-repetition review to remember what you learn • Favorites, streaks, and study history • A daily "Test your Chinese" reminder to keep your streak going • Share aesthetic flashcards as images or video • Home screen and Lock Screen widgets PRIVACY FIRST No accounts, no sign-in, no tracking. All your progress stays on your device. Whether you're starting from zero or pushing toward HSK 6, Chá makes daily Chinese practice calm, focused, and genuinely aesthetic.