1. The Phantom of the Opera lurks menacingly in the shadows of the opera house.
2. Christine daae obeys the Phantom's commands and sings rapturously in awe.
3. The audience quietly listens and marvels at the hauntingly beautiful music.
Transitive verb: Obeys (Christine daae obeys the Phantom's commands).
Intransitive verb: Lurks (The Phantom of the Opera lurks menacingly in the shadows of the opera house) and Listens (The audience quietly listens).