Multiple choice Directions: Change the voice. The tiger dragged the prey to the den. The prey was dragged to the den by the tiger. The prey was being dragged by a tiger to the den. The prey had been dragged to the den by the tiger. To the den was the prey being dragged to by the tiger. Reveal answer Fill a bubble to check yourself A Correct answer Explanation The original sentence is in the simple past tense. The passive form is 'was' + past participle.