had been revenging

• past perfect progressive

  past perfect progressive

  Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.

  of revenge.
  revenge

  verb (used with object)

  to exact punishment or expiation for a wrong on behalf of, especially in a resentful or vindictive spirit.

Related Words

• attack
• reprisal
• retribution
• vengeance