As a noun:
* The lawyer made a powerful statement about the injustice of the case. (Here, "statement" refers to a spoken or written declaration.)
* The company's financial statement showed a significant profit. (Here, "statement" refers to a formal document summarizing financial data.)
* Her silence was a statement of disapproval. (Here, "statement" refers to a non-verbal expression that conveys meaning.)
* The professor's lecture was a thought-provoking statement on the nature of reality. (Here, "statement" refers to a formal expression of opinion or belief.)
As a verb:
* The witness clearly stated that she saw the defendant leave the scene. (Here, "stated" is used as the past tense of the verb "to state".)
* The government is expected to state its position on the issue soon. (Here, "state" is used as a verb meaning to express formally.)
Let me know if you'd like more examples, or if you have a specific type of sentence in mind!