Why is Revelation 13:8 in the future tense?

Why is Revelation 13:8 in the future tense?

Revelation 12 describes a series of wars in which the dragon is the aggressor:

Before Christ, it opposes the women (12:1-4),
Then Christ (12:5),
Then Michael and his angels in heaven (12:7-12),
Then the woman again (12:13),
Then the woman…

Why does John the Baptist deny being "Elijah"?

Why does John the Baptist deny being "Elijah"?

So Malachi rather cryptically ends with

“See, I will send the prophet Elijah to you before that great and dreadful day of the Lord
comes. He will turn the hearts of the parents to their children, and the hearts of the
children to their pa…