will have been proving

• 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 prove.
  prove

  verb (used with object)

  to establish the truth or genuineness of, as by evidence or argument.

Related Words

• confirm
• convince
• demonstrate
• determine
• explain
• find
• justify
• result
• show
• substantiate
• test
• try
• turn out
• validate
• verify