have been cross-indexing

• present perfect progressive

  present perfect progressive

  Used to describe an action that began in the past, has continued continuously, and is still in progress.

  of cross-index.
  cross index

  noun

  a note or group of notes referring the reader to material elsewhere.

Popular Searches

• upstander
• URL
• quixotic
• hopefully
• collage
• burn the midnight oil
• edgelord