has been sabotaging

• 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 sabotage (3rd person singular).
  sabotage

  noun

  any underhand interference with production, work, etc., in a plant, factory, etc., as by enemy agents during wartime or by employees during a trade dispute.

Related Words

• cripple
• destroy
• disrupt
• hamper
• hinder
• obstruct
• subvert
• torpedo
• undermine
• vandalize
• wreck