had been fogging

• 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 fog.
  fog

  noun

  a cloudlike mass or layer of minute water droplets or ice crystals near the surface of the earth, appreciably reducing visibility.

Related Words

• cloud
• gloom
• smog
• smoke
• steam
• vapor