had been zoning

• 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 zone.
  zone

  noun

  any continuous area that differs in some respect, or is distinguished for some purpose, from adjoining areas, or within which certain distinctive circumstances exist or are established: The temperature lies outside the danger zone.

Related Words

• area
• belt
• ground
• region
• section
• sector
• territory