NET

11 When everyone who had known him previously saw him prophesying with the prophets, the people asked one another, “What on earth has happened to the son of Kish? Does even Saul belong with the prophets?”

Darby

11 And it came to pass, when all that knew him before saw that, behold, he prophesied among the prophets, then the people said one to another, What is this that has happened to the son of Kish? Is Saul also among the prophets?

KJV

11 And it came to pass, when all that knew him beforetime saw that, behold, he prophesied among the prophets, then the people said one to another, What [is] this [that] is come unto the son of Kish? [Is] Saul also among the prophets?