• Review TN2
     Help
  • Have you ever ____ surfing?
    gone
  • The past participle of swim is...
    swum
  • The structure of the present perfect is...
    Subject + have +past participle of main verb
  • Unlock this slideshow and over 4 million more with Baamboozle+
    Try slideshows
    • Your experience on this site will be improved by allowing cookies.