G5055–τελέω–teleō

and cast him into the abyss, and shut it, and sealed it over him, that he should deceive the nations no more, until the thousand years were finished. After this, he must be freed for a short time.

τελεσθῇ telesthēa “may be completed”

The rest of the dead didn't live until the thousand years were finished. This is the first resurrection.

τελεσθῇ telesthēa “may have been completed”

And after the thousand years, Satan will be released from his prison,

τελεσθῇ telesthēa “may have been completed”