will have been accumulating

• future perfect progressive

  future perfect progressive

  Used to describe a continuous action that will progress up until a designated point of completion in the future.

  of accumulate.
  accumulate

  verb (used with object)

  to gather or collect, often in gradual degrees; heap up.

Related Words

• accrue
• acquire
• add to
• assemble
• collect
• compile
• concentrate
• expand
• gain
• grow
• hoard
• increase
• pile up
• rack up
• swell