will have been confirming

• future perfect progressive

  future perfect progressive

  Used to describe a continuous action that will progress up until a designated point of completion in the future.

  of confirm.
  confirm

  verb (used with object)

  to establish the truth, accuracy, validity, or genuineness of; corroborate; verify.

Related Words

• affirm
• approve
• back
• certify
• corroborate
• endorse
• establish
• explain
• sign
• substantiate
• support
• uphold
• verify