1. Present Perfect Passive

2. Present Perfect Passive
Something has been done by someone at sometime up to now.
Affirmative Form
Object + have / has + been + verb3 (past participle)
Question Form
Have / has + object + been + verb3 (past participle)

3. Active : They have cleaned the clinic
Active : They have cleaned the clinic. Passive: The clinic has been cleaned by them.
Active : Thomas has written many books. Passive: Many books have been written by Thomas.
Active : Have the police caught the man? Passive: Has the man been caught by the police?
Active : UPS has delivered the letters. Passive: The letters have been delivered by UPS.

4. Exercise

5. Kerrie has paid the bill.
The bill has been paid by Kerrie.
I have eaten a hamburger.
A hamburger has been eaten by me.
We have cycled five miles.
Five miles have been cycled by us.
I have opened the present.
The present has been opened by me.
They have not read the book.
The book has not been read by them.

6. You have not sent the parcel.
The parcel has not been sent by you.
We have not agreed to this issue.
This issue has not been agreed to by us.
They have not caught the thieves.
The thieves have not been caught by them.
Has she phoned him?
Has he been phoned by her?
Have they noticed us?
Have we been noticed by them?