had been festooning

• 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 festoon.
  festoon

  noun

  a string or chain of flowers, foliage, ribbon, etc., suspended in a curve between two points.

Related Words

• adorn
• deck
• drape
• hang
• swag
• trim