How to Change Active to Passive Voice in Present Perfect Tense

The present perfect tense is used to describe actions that have been completed recently, actions with a result in the present, or actions whose exact time is not mentioned. When a sentence is changed from active voice to passive voice in the present perfect tense, the object of the active sentence becomes the subject of the passive sentence. The main verb changes into its past participle form (V3), and the helping verbs has been or have been are used according to the new subject.

Structure of Active to Passive Voice in Present Perfect

• Active Voice:

Subject + has / have + Verb (V3) + Object

• Passive Voice:

Object + has been / have been + Verb (V3) (+ by + Subject)

Helping Verbs in Present Perfect Passive

• has been → used with singular third-person subjects (he, she, it, singular nouns)
• have been → used with plural subjects (we, you, they, plural nouns)

Positive Sentence Examples – Present Perfect Tense (Active to Passive Voice)

• Active: The company has launched a new website.
• Passive: A new website has been launched by the company.
• Active: She has completed the research report.
• Passive: The research report has been completed by her.
• Active: They have repaired the damaged road.
• Passive: The damaged road has been repaired by them.

Negative Sentence Examples – Present Perfect Tense (Active to Passive Voice)

To form negative sentences in the passive voice, not is placed after has been / have been.

• Active: The company has not launched the mobile app.
• Passive: The mobile app has not been launched by the company.
• Active: She has not completed the research report.
• Passive: The research report has not been completed by her.
• Active: They have not repaired the damaged road.
• Passive: The damaged road has not been repaired by them.

Interrogative Sentence Examples – Present Perfect Tense (Active to Passive Voice)

In interrogative passive sentences, has / have is placed at the beginning of the sentence.

• Active: Has the company launched a new website?
• Passive: Has a new website been launched by the company?
• Active: Has she completed the research report?
• Passive: Has the research report been completed by her?
• Active: Have they repaired the damaged road?
• Passive: Has the damaged road been repaired by them?

Additional Active and Passive Voice Examples – Present Perfect Tense

• Active: The organization has announced the results.
• Passive: The results have been announced by the organization.
• Active: The mechanic has fixed the engine.
• Passive: The engine has been fixed by the mechanic.
• Active: The organization has not announced the schedule.
• Passive: The schedule has not been announced by the organization.
• Active: The mechanic has not fixed the brakes.
• Passive: The brakes have not been fixed by the mechanic.
• Active: Has the organization announced the results?
• Passive: Have the results been announced by the organization?
• Active: Has the mechanic fixed the engine?
• Passive: Has the engine been fixed by the mechanic?

Key Points to Remember

• Passive voice in the present perfect tense uses has been / have been + past participle (V3).
• This tense shows that an action is completed and its result is important in the present.
• The object of the active sentence becomes the subject of the passive sentence.
• For negative sentences, place not after has been / have been.
• For interrogative sentences, place has / have at the beginning of the sentence.
• “By + subject” is optional and can be omitted if the doer is unknown or not important.