For if God did not spare the angels when they sinned, but cast them deep into hell, placing them in chains of darkness to be held for judgment;
KJV
For if God spared not the angels that sinned, but cast [them] down to hell, and delivered [them] into chains of darkness, to be reserved unto judgment;
ASV
For if God spared not angels when they sinned, but cast them down to hell, and committed them to pits of darkness, to be reserved unto judgment;