* Simple Statement: I was disappointed by the movie.
* With an Object: The news of the cancellation disappointed everyone.
* With a Noun Phrase: The low test scores disappointed the teacher.
* In a Negative Sentence: I tried my best, but I didn't want to disappoint my parents.
* In a Complex Sentence: Even though I knew it was a long shot, I couldn't help but feel disappointed when I didn't win the lottery.
Let me know if you'd like to see more examples or have a specific scenario in mind!