had been tarring

• 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 tar.
  tar

  noun

  any of various dark-colored viscid products obtained by the destructive distillation of certain organic substances, as coal or wood.

Related Words

• besmirch
• blight
• cloud
• corrupt
• damage
• discredit
• harm
• hurt
• infect
• muddy
• poison
• pollute
• smear
• spoil
• stain
• sully
• tarnish