3 Then the LORD will go out and fight against those nations, as he fights on a day of battle.

Read Zechariah 14:3 Using Other Translations

Then shall the LORD go forth, and fight against those nations, as when he fought in the day of battle.
Then the LORD will go out and fight against those nations as when he fights on a day of battle.
Then the LORD will go out to fight against those nations, as he has fought in times past.