Convert the sentence provided below from its passive voice structure to an active voice structure:
The changes must have been implemented without consulting the advisory board.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Someone must have implemented the changes without consulting the advisory board.
About the given sentence:
- Type of sentence: Assertive
- Tense: Modal perfect (must have been + V³)
- Voice: Passive voice
- Subject: The changes
- Agent: Not mentioned (implied)
Structure for conversion:
- Active: Subject + must have + verb (IIIrd form) + object...
- Passive: Object + must have been + verb (IIIrd form) + (by + subject)...
Converted sentence: Someone must have implemented the changes without consulting the advisory board.
Hence, the chosen option is correct.