have been sanctioning

• 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 sanction.
  sanction

  noun

  authoritative permission or approval, as for an action.

Related Words

• accredit
• allow
• approve
• certify
• empower
• endorse
• permit
• ratify
• warrant