will have been mistaking

• 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 mistake.
  mistake

  noun

  an error in action, calculation, opinion, or judgment caused by poor reasoning, carelessness, insufficient knowledge, etc.

Related Words

• aberration
• blunder
• confusion
• fault
• gaffe
• inaccuracy
• lapse
• miscalculation
• misconception
• misstep
• omission
• oversight
• snafu