am roller-skating

• present progressive

  present progressive

  Used to describe an ongoing action or state that is currently taking place in the immediate present.

  of roller-skate (1st person singular).
  roller skate

  noun

  a form of skate with four wheels or rollers instead of a runner, for use on a sidewalk or other surface offering traction.

More Suggestions

• roller bearing
• roller skate
• free skating
• power-sharing
• roller chain
• synchronized skating
• tapered roller bearing