How do you use the word single in a sentence?

Here are some sentences using the word "single" with different meanings:

* Single as a noun: "She bought a single rose for her mother."

* Single as an adjective (meaning one only): "There was only a single chair left in the room."

* Single as an adjective (meaning unmarried): "He's been single for years."

* Single as an adjective (meaning separate): "The building has single rooms for rent."

* Single as a verb (meaning to select one): "Please single out the best candidate for the job."

Let me know if you'd like more examples, or want to explore other meanings of "single"!