has been remonstrating

• 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 remonstrate (3rd person singular).
  remonstrate

  verb (used with object)

  to say or plead in protest, objection, or disapproval.

More Suggestions

• self-generating
• undemonstrative
• well-demonstrated