* Simple: The child sulked in the corner after losing the game.
* Figurative: The city sulked under a blanket of gray clouds all week.
* With a reason: She sulked because she hadn't been invited to the party.
* With an action: He sulked, refusing to speak to anyone after the argument.
* With a consequence: Her sulking only made the situation worse.
Let me know if you'd like to see more examples!