A. The song is delivered by them.
B. The song is being delivered by Bob.
C. The song was being delivered by Bob.
D. The song was being delivering by Bob.

A. The file was being prepared by my mother.
B. The file is being prepared by my mother.
C. The file was being preparing by my mother.
D. The file is prepared by them.

A. the email is fixed by them.
B. The author is fixing the email.
C. The email was being fixed by the author.
D. The email is being fixing by the author.

A. The song will have been played by the nurse.
B. The song is played by them.
C. The song is played by them.
D. The song will have been played by the nurse.

A. The meal would be bought by the child.
B. The meal is bought by them.
C. The meal will be bought by the child.
D. The meal will be bought by the child.

A. The laptop is sended by the teacher.
B. The laptop was sent by the teacher.
C. The laptop is sended by them.
D. The laptop was sending by the teacher.

A. The plan is taught by them.
B. The plan could be taught by the owner.
C. The plan could be taught by the owner.
D. The plan is taught by them.

A. The meeting has been taught by the farmer.
B. The meeting had been teached by the farmer.
C. The meeting is teached by them.
D. The meeting has being teached by the farmer.

A. The laptop is cleaned by them.
B. The laptop was being cleaned by the student.
C. The laptop is being cleaned by the student. ✅
D. The laptop is being cleaning by the student.

A. The message has been buyed by the designer.
B. The message is buyed by them.
C. The message has being buyed by the designer.
D. The message had been buyed by the designer.