has been retraining

• 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 retrain (3rd person singular).
  retrain

  verb (used with object)

  to train again, especially for a different vocation or different tasks.

More Suggestions

• basic training
• obedience training
• resistance training
• spring training
• assertiveness training