Following are a number of back-translations of John 12:28:

• Huehuetla Tepehua: “Rather I will say, ‘Let people say that you are great.’ And when Jesus said this, that is when a word came from heaven which said. . . “
• Yatzachi Zapotec: “Then he prayed, ‘Father, cause yourself to receive more honor.’ Then God who is in heaven spoke, saying to him, ‘I have caused myself to receive honor, and I will cause myself to receive more honor.'”
• Lalana Chinantec: “‘My Father, do what is necessary so that people will worship you.’ That’s what Jesus said. So God spoke from heaven. He said, ‘I have done what is necessary so that people will worship me. I will also do it again,’ he said.” (Source: M. Larson / B. Moore in Notes on Translation February 1970, p. 1-125.)
• Uma: “I say like this: Father, make big your name(s)!’ From there, there was someone who spoke from the sky saying to Yesus: ‘I have already made big my name, and I will make it big again.'” (Source: Uma Back Translation)
• Yakan: “So-then Isa spoke to God, he said, ‘O Father, honor/make great your name.’ Immediately there was a voice from the sky saying, ‘I have already honored/made great my name and I will make it great/honor it again.'” (Source: Yakan Back Translation)
• Western Bukidnon Manobo: “And then Jesus said to his Father God, he said, ‘Father, show the people your great power.’ And then there was a word which came from heaven which said, ‘I have already shown my power by means of you, and I will show it again.'” (Source: Western Bukidnon Manobo Back Translation)
• Kankanaey: “Then he said to God, ‘Father, please show your (sing.) godhood so that your (sing.) name will be honored.’ And there was a voice from heaven that said, ‘I have already shown-it and I will show-it again.'” (Source: Kankanaey Back Translation)
• Tagbanwa: “When Jesus had said that, he said, ‘Father, show the big-size of your praiseworthiness/glory.’ There was a voice which the people heard, coming from heaven, which said, ‘I have already shown it, but I will show again my praiseworthiness/glory.'” (Source: Tagbanwa Back Translation)
• Tenango Otomi: “Then he said, ‘My Father. May it be known that you are the greatest.’ Then it was heard from above, ‘I have caused it to be known that I am the greatest. And again I will cause it to be known that I am the greatest.'” (Source: Tenango Otomi Back Translation)