Choose the correct passive voice: "They had painted the house before the guests arrived."
- A. The house was painted before the guests arrived.
- B. The house had being painted before the guests arrived.
- C. The house had been painted before the guests arrived. ✓
- D. The house has been painted before the guests arrived.
Correct answer
C. The house had been painted before the guests arrived.
Explanation
Past perfect active becomes past perfect passive: 'had been painted'.