don't I surf? don't you surf? doesn't he surf? don't we surf? don't you surf? don't they surf?
Presente continuo
am I not surfing? aren't you surfing? isn't he surfing? aren't we surfing? aren't you surfing? aren't they surfing?
Preterito
didn't I surf? didn't you surf? didn't he surf? didn't we surf? didn't you surf? didn't they surf?
Preterite continua
wasn't I surfing? weren't you surfing? wasn't he surfing? weren't we surfing? weren't you surfing? weren't they surfing?
Presente perfetto
haven't I surfed? haven't you surfed? hasn't he surfed? haven't we surfed? haven't you surfed? haven't they surfed?
Presente perfetto continuo
haven't I been surfing? haven't you been surfing? hasn't he been surfing? haven't we been surfing? haven't you been surfing? haven't they been surfing?
Piuccheperfetto
hadn't I surfed? hadn't you surfed? hadn't he surfed? hadn't we surfed? hadn't you surfed? hadn't they surfed?
Piuccheperfetto continuo
hadn't I been surfing? hadn't you been surfing? hadn't he been surfing? hadn't we been surfing? hadn't you been surfing? hadn't they been surfing?
Futuro semplice
won't I surf? won't you surf? won't he surf? won't we surf? won't you surf? won't they surf?
Futuro continuo
won't I be surfing? won't you be surfing? won't he be surfing? won't we be surfing? won't you be surfing? won't they be surfing?
Futuro anteriore
won't I have surfed? won't you have surfed? won't he have surfed? won't we have surfed? won't you have surfed? won't they have surfed?
Futuro anteriore contínuo
won't I have been surfing? won't you have been surfing? won't he have been surfing? won't we have been surfing? won't you have been surfing? won't they have been surfing?
Condizionale
Presente
wouldn't I surf? wouldn't you surf? wouldn't he surf? wouldn't we surf? wouldn't you surf? wouldn't they surf?
Presente continuo
wouldn't I be surfing? wouldn't you be surfing? wouldn't he be surfing? wouldn't we be surfing? wouldn't you be surfing? wouldn't they be surfing?
Passato
wouldn't I have surfed? wouldn't you have surfed? wouldn't he have surfed? wouldn't we have surfed? wouldn't you have surfed? wouldn't they have surfed?
Passato continuo
wouldn't I have been surfing? wouldn't you have been surfing? wouldn't he have been surfing? wouldn't we have been surfing? wouldn't you have been surfing? wouldn't they have been surfing?