A. The order could be changed by the child.
B. The order is changed by them.
C. The order could be changing by the child.
D. The order is changed by them.

A. The book is delivered by them.
B. The book has been delivered by the police.
C. The book has being delivered by the police.
D. The book had been delivered by the police.

A. The song has being builded by the owner.
B. The song has been built by the owner.
C. The song is builded by them.
D. The song had been builded by the owner.

A. The room will have being writed by the students.
B. The room is writed by them.
C. The room is writed by them.
D. The room will have been written by the students.

A. The room will be painting by the chef.
B. The room would be painted by the chef.
C. The room is painted by them.
D. The room will be painted by the chef.

A. The exam would be prepared by them.
B. The exam will be preparing by them.
C. The exam will be prepared by them.
D. The exam is prepared by them.

A. The laptop is checked by them.
B. The laptop is checked by the chef.
C. The laptop was checking by the chef.
D. The laptop was checked by the chef.

A. The order is teached by them.
B. The order is taught by John.
C. The order was taught by John.
D. The order was teaching by John.

A. The poster is painting by the students.
B. The poster is painted by the students.
C. The poster is painted by them.
D. The poster was painted by the students.

A. The database is written by the company.
B. The database is writed by them.
C. The database was writed by the company.
D. The database is writing by the company.