has been chiselling

• 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 chisel (3rd person singular).
  chisel

  noun

  a wedgelike tool with a cutting edge at the end of the blade, often made of steel, used for cutting or shaping wood, stone, etc.

Related Words

• blade
• knife