Select the option that expresses the given sentence in passive voice.
Have they broken the car?

Correct option is C

The correct passive voice of the given sentence is (c) Has the car been broken by them?
Rules of conversion from active to passive voice:
· Identify the subject, verb, and object in the active sentence.
· Active: Subject (they), Verb (have broken), Object (the car).
· The object of the active voice becomes the subject in the passive voice.
· Use the appropriate form of "to be" + past participle of the verb.
· Passive: Has + the car + been + broken + by them.
Structure:
· Active Voice: Have/Has + Subject + Verb (past participle) + Object?
· Passive Voice: Have/Has + Object + been + Verb (past participle) + by + Subject?
Example:
· Active: Have you completed the project?
· Passive: Has the project been completed by you?
Why other options are incorrect:
· Option (a): Incorrect subject-verb agreement.
· Option (b): Incorrect subject-verb-object order.
· Option (d): Grammatically incorrect auxiliary verb usage.