has been revenging

• present perfect progressive

  present perfect progressive

  Used to describe an action that began in the past, has continued continuously, and is still in progress.

  of revenge (3rd person singular).
  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