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Active and Passive Voice Exercises of Past, Perfect Tense, , Active: Misha had cleaned the floor., Passive: The floor had been cleaned by, , Misha. 1 2?, , Active: Vidhi had not received the parcel., Passive: The parcel had not been received, by Vidhi., , Active: Vishal had solved the doubt., Passive: The doubt had been solved by, Vishal., , Active: Had they caught the thief?, Passive: Had the thief been caught by, them?, , Active: | had paid fifty thousand., Passive: Fifty thousand had been paid by, me.