Here’s the classification of the options based on whether they indicate passive voice or active voice:
- When you want to emphasize who performed an action - Active voice
- When you don't know who performed an action - Passive voice
- When you want to emphasize a thing that was acted upon - Passive voice
- When the subject of a sentence performed an action - Active voice
In summary:
- Active voice: 1, 4
- Passive voice: 2, 3