has been curving

• 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 curve (3rd person singular).
  curve

  noun

  a continuously bending line, without angles.

Related Words

• bend
• buckle
• bulge
• coil
• crumple
• curl
• loop
• skew
• spiral
• swerve
• twist
• veer