How to say "Be" in Japanese

When translating "be" into Japanese, you must choose carefully between 見つかる and 役立つ. In Japanese, 見つかる (みつかる (mitsukaru)) is typically associated with "to be found; to be discovered (intransitive)" (Syllabus Level: N4) and represents Intransitive verb. Used when something that was lost or hidden becomes found or discovered, often without a direct agent or from the perspective of the item being found. The subject is the item that is found. The transitive counterpart is 見つける. On the other hand, 役立つ (やくだつ (yakudatsu)) maps to "to be useful, to be helpful" (Syllabus Level: N3) and represents An intransitive verb. Used to describe something that serves a purpose or provides assistance. Often followed by に.. A literal translation of "be" can often sound unnatural to native Japanese speakers if mixed up!