Select the option that expresses the given sentence in passive voice.
She might have completed her research by that time.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Her research might have been completed by her by that time.
- In passive voice, the object of the active sentence becomes the subject of the passive sentence, and the verb changes to a past participle form preceded by a form of "to be" (in this case, "been").