Which is an active voice and which is a passive voice

Question

when you want to emphasize a thing that was acted upon
when the subject of the sentence performed an action
when you don't know who performed an action
when you want to emphasize who performed an action

Answer 1

Here’s the distinction between active and passive voice based on the scenarios you provided:

1. When you want to emphasize a thing that was acted upon - Passive Voice
2. When the subject of the sentence performed an action - Active Voice
3. When you don't know who performed an action - Passive Voice
4. When you want to emphasize who performed an action - Active Voice

In summary, active voice highlights the doer of the action, while passive voice highlights the receiver of the action.