had been dismantling

• 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 dismantle.
  dismantle

  verb (used with object)

  to deprive or strip of apparatus, furniture, equipment, defenses, etc..

Related Words

• break up
• demolish
• destroy
• disassemble
• raze
• undo
• wreck