Why is this sentence incomplete Sailed to Hawaii?

The sentence "Sailed to Hawaii" is incomplete because it lacks a subject. We don't know who or what sailed to Hawaii.

Here are a few ways to complete the sentence:

* Adding a subject: "The ship sailed to Hawaii."

* Adding a subject and verb: "The crew sailed to Hawaii."

* Adding a prepositional phrase: "The ship sailed to Hawaii on a sunny day."

Let me know if you'd like to see more examples!