have been singling

• 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 single.
  single

  adjective

  only one in number; one only; unique; sole.

Related Words

• individual
• lone
• original
• particular
• personal
• private
• separate
• simple
• sole
• special
• specific