exists
v.v. to be real or to live in the world. You use this to say that something is not just an idea or a story.
v. to have objective reality or being; to live or have life. Intransitive — does not take a direct object.
I do not believe that ghosts exist.
Evidence suggests that liquid water exists beneath the surface of certain moons in our solar system.
The tension between individual freedom and social responsibility exists in every democratic society, requiring constant negotiation and compromise to maintain a stable political environment.
The verb is intransitive and cannot be used in the passive voice.
The problem is existed since last year.The problem has existed since last year.Exist is an intransitive verb and cannot be used in the passive voice (be + past participle).