will have been mattering

• 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 matter.
  matter

  noun

  the substance or substances of which any physical object consists or is composed.

Related Words

• affair
• business
• circumstance
• event
• incident
• job
• proceeding
• question
• situation
• subject
• thing
• topic
• transaction