had been mattering

• past perfect progressive

  past perfect progressive

  Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.

  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