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56 Mohammad Mahfooz Hussain8. Whose:Type I: %u201dWhose + Noun%u201d in the Subject:Active: Whose mistake corrupted the database?Passive: By whose mistake was the database corrupted?Syntax:Active Whose + Noun (Subject) + Main Verb + Object?Passive By whose + Noun (Agent) + Auxiliary + New Subject (Object) + Main Verb (3rd form)?Now understand this step-wise:Active: Whose mistake corrupted the database?Step 1: Create a normal sentence.%u2192 Someone's mistake corrupted the database.Step 2: Make it passive. %u2192 The database was corrupted by someone's mistake.Step 3: Make it a question.%u2192 Was the database corrupted by someone's mistake?Step 4: Swap the placeholder back.%u2192 Was the database corrupted by whose mistake?Step 5: Pull the Whose (and its preposition %u201cby%u201d) to the front.The final passive form %u2192 By whose mistake was the database corrupted?
