believe is also commonly used as a verb that expresses an acceptance of an idea or opinion as true or real. The rules of usage involve using it in the present tense format (believes) to describe one’s opinion or conviction.
1. I believe that everyone has something unique to offer the world.
2. He believes that knowledge is power.
3. We all believe that justice will prevail.
Take note not to confuse believes (third-person present tense form) and believed (past tense form).