Choose the correct passive voice: "The police arrested the thief yesterday."
- A. The thief is arrested by the police yesterday.
- B. The thief was arrest by the police yesterday.
- C. The thief was arrested by the police yesterday. ✓
- D. The thief has been arrested by the police yesterday.
Correct answer
C. The thief was arrested by the police yesterday.
Explanation
Simple past active becomes simple past passive: 'was arrested'.