If any man speaketh in a tongue, let it be by two, or at the most three, and that in turn; and let one interpret:

If anyone speaks in a tongue, two, or at most three, should speak in turn, and someone must interpret.

if an unknown tongue any one do speak, by two, or at the most, by three, and in turn, and let one interpret;

If any one speak with a tongue, [let it be] two, or at the most three, and separately, and let one interpret;