will have been happening

• 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 happen.
  happen

  verb (used without object)

  to take place; come to pass; occur.

Related Words

• appear
• arise
• arrive
• crop up
• develop
• fall
• go on
• hit
• materialize
• meet
• pass
• result
• take effect
• take place
• transpire