had been whooshing

• 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 whoosh.
  whoosh

  noun

  a loud, rushing noise, as of air or water.

Related Words

• circle
• climb
• cross
• drift
• float
• flutter
• glide
• operate
• pilot
• reach
• rush
• sail
• shoot
• speed
• swoop
• take off
• travel