What are some of the declaration sentences in english ?

1. I declare that I am innocent of the crime.
2. She declared her love for him in front of everyone.
3. The president declared a state of emergency.
4. We declare this meeting officially open.
5. He declared his intention to run for office.
6. The judge declared the defendant guilty.
7. The company declared bankruptcy.
8. I declare that I will do my best to succeed.
9. The doctor declared the patient fit to leave the hospital.
10. The teacher declared that the exam would be postponed.