The Aux Node in this sentence contains... The situation ought to have been handled better.
Past Tense, Modal, Perfective Aspect, Passive Voice
500
The prince was particularly close to his mother, who died in a Paris car crash in 1997, and both he and his brother Harry know how much his wedding would have meant to her.
Complex-Compound
500
Janice might have known that the committee was planning on cutting the funding for her program.
S-that
500
Convert to a passive: Someone should have been cleaning the room.
The room should have been being cleaned.
500
What transformation(s) was involved in creating the surface structure of this sentence... Did the mother know what her son wanted for Christmas?