Just to summarize all of the popular variations out there, I have also included the popular Protestant variations, and I have grouped them by similar word usage. Please let me know if I missed any other possible interpretation of each particular category, and then tell me if any of these possible interpretations of the English actually don’t fit when interpreting the Greek:
**Protestant Bibles:
Category 1: **(there is a possibility that you will perish even if you believe in him if: ‘should’ means ‘will, more likely than not,’ or ‘will, if God follows the rules,’ or ‘will, if the rules are followed,’ There is no possibility that you will perish even if you believe in him if ‘should’ means ‘are given the chance to, and with no possibility of losing that chance will’)
John 3:16 RSV “For God so loved the world that he gave his only Son, that whoever believes in him should not perish but have eternal life.”
John 3:16 KJV For God so loved the world, that he gave his only begotten Son, that whosoever believeth in him should not perish, but have everlasting life.
John 3:16 ESV “For God so loved the world, that he gave his only Son, that whoever believes in him should not perish but have eternal life.”
Category 2: (there is no a possibility that you will perish if you believe in him, unless there is some conditional definition of what ‘believes in him’ actually means)
John 3:16 NIV "For God so loved the world that he gave his one and only Son,[a] that whoever believes in him shall not perish but have eternal life.
John 3:16 NASB "For God so loved the world, that He gave His only begotten Son, that whoever believes in Him shall not perish, but have eternal life.
Catholic Bibles:
**Category 3: **(there is a possibility that you will perish even if you believe in him if: ‘may’ means ‘would maybe’ or it means ‘allowed to under certain conditions’. There is no possibility that you will perish even if you believe in him if: ‘may’ means ‘is definitely allowed to’ or ‘would’)
John 3:16 DRV “For God so loved the world, as to give his only begotten Son; that whosoever believeth in him, may not perish, but may have life everlasting.”
John 3:16 JB “Yes, God lived the world so much that he gave his only Son, so that whoever believes in him may not be lost but may have eternal life.”
John 3:16 NJB “For this is how God loved the world: he gave his only Son, so that everyone who believes in him may not perish but may have eternal life.”
John 3:16 CCB “Yes, God so loved the world that he gave his only Son that whoever believes in him may not be lost, but may have eternal life.”
John 3:16 NRSV “For God so loved the world that he gave his only Son, so that everyone who believes in him may not perish but may have eternal life.”
**Category 4: **(there is a possibility that you will perish, even if you believe in him if: ‘might’ means ‘would maybe’. There is no possibility that you will perish if you believe in him if: ‘might’ means ‘would’)
John 3:16 NAB “For God so loved the world that he gave his only Son, so that everyone who believes in him might not perish but might have eternal life.”