had been placarding

• 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 placard.
  placard

  noun

  a paperboard sign or notice, as one posted in a public place or carried by a demonstrator or picketer.

Related Words

• advertisement
• banner
• billboard
• handbill
• marquee
• poster
• signboard