Past Perfect Tense(Passive Voice)

General Rules of Past Perfect Tense(Passive Voice)

Sarah had baked the cake before the guests arrived.
- The cake had been baked by Sarah before the guests arrived.
The manager had signed the documents.
- The documents had been signed by the manager.
The maid had cleaned the room before noon.
- The room had been cleaned by the maid before noon.
The team had completed the project on time.
- The project had been completed by the team on time.
John had sent the invitation cards before the event.
- The invitation cards had been sent by John before the event.
She had written the letter before she left.
- The letter had been written by her before she left.
The student had finished the homework before class.
- The homework had been finished by the student before class.
The workers had painted the fence.
- The fence had been painted by the workers.
The children had washed the dishes.
- The dishes had been washed by the children.
The assistant had submitted the report.
- The report had been submitted by the assistant.

She had written a letter.
- A letter had been written by her.
They had completed the project.
- The project had been completed by them.
He had repaired the car.
- The car had been repaired by him.
The chef had cooked the meal.
- The meal had been cooked by the chef.
We had organized the event.
- The event had been organized by us.
John had painted the house.
- The house had been painted by John.
The students had finished the homework.
- The homework had been finished by the students.
She had cleaned the room.
- The room had been cleaned by her.
He had written a book.
- A book had been written by him.
They had built a bridge.
- A bridge had been built by them.

She had not written the letter.
- The letter had not been written by her.
They had not completed the project.
- The project had not been completed by them.
The chef had not cooked the meal.
- The meal had not been cooked by the chef.
He had not solved the problem.
- The problem had not been solved by him.
She had not painted the wall.
- The wall had not been painted by her.
We had not organized the event.
- The event had not been organized by us.
They had not built the house.
- The house had not been built by them.
He had not answered the question.
- The question had not been answered by him.
The manager had not approved the request.
- The request had not been approved by the manager.
The teacher had not checked the papers.
- The papers had not been checked by the teacher.

Had he completed the project?
- Had the project been completed by him?
Had she written the book?
- Had the book been written by her?
Had they repaired the car?
- Had the car been repaired by them?
Had John sent the invitation?
- Had the invitation been sent by John?
Had the teacher checked the papers?
- Had the papers been checked by the teacher?
Had the manager approved the budget?
- Had the budget been approved by the manager?
Had she decorated the hall?
- Had the hall been decorated by her?
Had they delivered the package?
- Had the package been delivered by them?
Had the engineer designed the bridge?
- Had the bridge been designed by the engineer?
Had he solved the problem?
- Had the problem been solved by him?

What had he prepared for the presentation?
- What had been prepared by him for the presentation?
Which books had she read before the exam?
- Which books had been read by her before the exam?
Why had they postponed the meeting?
- Why had the meeting been postponed by them?
Where had he hidden the documents?
- Where had the documents been hidden by him?
Who had written this article?
- By whom had this article been written?
When had he sent the message?
- When had the message been sent by him?
How had they organized the event?
- How had the event been organized by them?
Whom had she invited to the party?
- Who had been invited to the party by her?
What had the boy broken?
- What had been broken by the boy?
Which countries had they visited before 2020?
- Which countries had been visited by them before 2020?

Did she not complete the project?
- Was the project not completed by her?
Did they not invite you to the party?
- Were you not invited to the party by them?
Did he not send the email yesterday?
- Was the email not sent by him yesterday?
Did the manager not approve the plan?
- Was the plan not approved by the manager?
Did the teacher not check the homework?
- Was the homework not checked by the teacher?
Did they not solve the problem?
- Was the problem not solved by them?
Did he not paint the house last week?
- Was the house not painted by him last week?
Did the chef not cook the meal properly?
- Was the meal not cooked properly by the chef?
Did the police not catch the thief?
- Was the thief not caught by the police?
Did she not write the letter?
- Was the letter not written by her?

Why didn’t he lock the door?
- Why wasn’t the door locked by him?
Why didn’t she wash the clothes?
- Why weren’t the clothes washed by her?
Why didn’t they complete the assignment?
- Why wasn’t the assignment completed by them?
Why didn’t the engineer fix the machine?
- Why wasn’t the machine fixed by the engineer?
Why didn’t the waiter serve the food on time?
- Why wasn’t the food served on time by the waiter?
Who didn’t clean the room?
- By whom was the room not cleaned?
Who didn’t send the invitation?
- By whom was the invitation not sent?
Who didn’t close the window?
- By whom was the window not closed?
Who didn’t sign the document?
- By whom was the document not signed?
Who didn’t finish the report?
- By whom was the report not finished?