Following are a number of back-translations of John 14:29:

• Uma: «I say that ahead-of-time before it happens, so that when it does happen, you will believe.» (Source: Uma Back Translation)
• Yakan: «I have told you beforehand while the time for my leaving has not yet come, so that when the time comes you will really believe.» (Source: Yakan Back Translation)
• Western Bukidnon Manobo: «And now before I leave you I have told you this so that when it happens you will be able to believe that I am the king whom God chose.» (Source: Western Bukidnon Manobo Back Translation)
• Kankanaey: «This is what I am telling-in-advance to you now so that your faith will become-stronger upon its coming-true.» (Source: Kankanaey Back Translation)
• Tagbanwa: «I am telling you this already before it happens, so that when it does happen, you will believe-in/obey me.» (Source: Tagbanwa Back Translation)
• Tenango Otomi: «I am telling you this before it happens so that when it does happen then you will believe what I have told you.» (Source: Tenango Otomi Back Translation)