have KO'ed

• present perfect

  present perfect

  Used to describe actions that started in the past and continue into or have direct relevance to the present.

  of KO.
  KO

  noun

  a knockout in boxing.

have KOed

• present perfect

  present perfect

  Used to describe actions that started in the past and continue into or have direct relevance to the present.

  of KO.
  KO

  noun

  a knockout in boxing.

More Suggestions

• have done
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