WBCS.LIVE practice question

What is the most appropriate passive form of “Who has done the work?”?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Who has been done the work?
  2. By whom has been done the work?
  3. Whom has done the work by?
  4. By whom has the work been done?

Correct answer and explanation

Correct answer: By whom has the work been done?

Explanation: ✅ Correct Answer: D. By whom has the work been done? 📚 Explanation: To convert an active question starting with 'Who' into passive, we change 'Who' to 'By whom'. The present perfect structure 'has done' becomes 'has been done' in the passive voice. The object 'the work' is placed between the auxiliary 'has' and the participle 'been done'. This follows the standard rules of voice transformation for interrogative sentences.