* General use: The antique vase is a valuable family heirloom.
* Emphasis: It's valuable to learn from your mistakes.
* With a noun: We gained valuable experience during the internship.
* As an adjective: Her advice was valuable in helping me make my decision.
* In a comparative form: This new technology is more valuable than the old one.
* In a superlative form: The most valuable lesson I learned was the importance of perseverance.