had been structuring

• 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 structure.
  structure

  noun

  mode of building, construction, or organization; arrangement of parts, elements, or constituents.

Related Words

• architecture
• arrangement
• complex
• construction
• design
• format
• formation
• framework
• network
• organization
• system