has been authoring

• 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 author (3rd person singular).
  author

  noun

  a person who writes a novel, poem, essay, etc.; the composer of a literary work, as distinguished from a compiler, translator, editor, or copyist.

Related Words

• biographer
• columnist
• composer
• creator
• journalist
• poet
• producer
• reporter
• writer