will have been signing

• 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 sign.
  sign

  noun

  an indication or piece of evidence.

Related Words

• clue
• flag
• gesture
• harbinger
• hint
• light
• manifestation
• note
• prediction
• proof
• signal
• suggestion
• symbol
• symptom
• trace
• warning
• wave