Present Perfect Passive

The book have already been discussed by the students

The book has already been discussed by the students

The book has already been discuss by the students

The book has already discussed by the students

These documents has been brought by your secretary

These documents have been brought with your secretary

This documents have been brought by your secretary

These documents have been brought by your secretary

My sister has been given many sweets, she is happy

My sister have been given many sweets, she is happy

My sister has been given many sweets, she was happy

My sister has given many sweets, she is happy

Has the flowers been watered?

Have the flower been watered?

Have the flowers been watered?

Have the flowers watered?

Has the homework been finish?

Have the homework been finished?

Has the homework finished?

Has the homework been finished?

The homework have not been finished 

The homework has not finished 

The homework has not been finish

The homework has not been finished 

This bench has just been paint

The bench has just been painted

This bench has just painted

This bench has already been painted

Has the letter been sent to me?

Has the letter sent to me?

Has the letter been sent by me?

Have the letter been sent to me?

Have the book been discussed in class?

Has the book been discussed by class?

Has the book been discussed in class?

Has the book discussed in class?

His letter has been send to the wrong address 

His letter has been sent to the wrong address 

His letters has been sent to the wrong address 

His letter has sent to the wrong address