had been overturning

• 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 overturn.
  overturn

  verb (used with object)

  to cause (something) to turn onto its side, face, or back; upset.

Related Words

• annul
• capsize
• invalidate
• nullify
• repeal
• rescind
• reverse
• set aside
• topple
• void