will have been demonstrating

• 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 demonstrate.
  demonstrate

  verb (used with object)

  to make evident or establish by arguments or reasoning; prove.

Related Words

• determine
• establish
• exhibit
• expose
• indicate
• manifest
• prove
• test
• testify to
• try
• validate