has been sloping

• 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 slope (3rd person singular).
  slope

  verb (used without object)

  to have or take an inclined or oblique direction or angle considered with reference to a vertical or horizontal plane; slant.

Related Words

• hill
• ramp
• shelf