Passive Voice Master vs Upstream

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.

Upstream is a thinking gym for data analysts. Instead of teaching SQL or dashboards, it trains the skill that matters most: knowing what to ask before you query. HOW IT WORKS You're dropped into realistic workplace scenarios — a stakeholder wants a "quick report," retention looks suspiciously good, or an A/B test shows no lift. Each case challenges you to think critically, ask better questions, and resist the urge to just pull the numbers. Choose your approach at each step. Do you dig into the data immediately, or push back on the request? Challenge the metric definition, or accept it at face value? Every choice reveals how a real analyst would navigate the situation. FEATURES 30+ interactive cases inspired by real data team challenges Placement quiz to assess your analytical instincts and assign your starting rank Four analyst ranks: Query Runner, Report Builder, Sharp Analyst, Question Architect Scoring system that rewards critical thinking over speed Progressive unlock system — earn points to access harder cases Skill tracking across categories like stakeholder management, metric design, and root cause analysis Clean, focused interface with no distractions WHO IT'S FOR Junior data analysts looking to level up their thinking Senior analysts who want to stay sharp Analytics managers who want a training tool for their team Anyone preparing for data analyst interviews Students learning what real analytical work looks like