what will become/has become/became of somebody/something?
What became of (someone or something)?
What happened to someone or something? What was the end result for someone or something? What ever became of Jared? You used to be such good friends, but you haven't mentioned him once since he moved away. Scientists are still trying to determine what became of the probe, which they lost contact with ten days ago.
What has become of (someone or something)?
What has happened to someone or something? What did the result end up being for someone or something? Sometimes used to express regret or anger over current the state of someone or something. What has become of our great nation? It feels like everything we strove for fifty years ago has been completely eroded. I wonder what's become of Jared. We used to be such good friends, but ever since he moved away I've heard nothing from him. Scientists are still trying to determine what has become of the probe, which they lost contact with ten days ago.
what will become of (someone or something)
What will happen to someone or something); what will the end result be for someone or something. What will become of our troops when they return home from the war? Will they get the resources they need to readapt to civilian life? Scientists are still trying to determine what will become of the probe once it loses auxiliary power.