don't I derail? don't you derail? doesn't he derail? don't we derail? don't you derail? don't they derail?
Presente continuo
am I not derailing? aren't you derailing? isn't he derailing? aren't we derailing? aren't you derailing? aren't they derailing?
Pretérito
didn't I derail? didn't you derail? didn't he derail? didn't we derail? didn't you derail? didn't they derail?
Pretérito continuo
wasn't I derailing? weren't you derailing? wasn't he derailing? weren't we derailing? weren't you derailing? weren't they derailing?
Presente perfecto
haven't I derailed? haven't you derailed? hasn't he derailed? haven't we derailed? haven't you derailed? haven't they derailed?
Presente perfecto continuo
haven't I been derailing? haven't you been derailing? hasn't he been derailing? haven't we been derailing? haven't you been derailing? haven't they been derailing?
Pluscuamperfecto
hadn't I derailed? hadn't you derailed? hadn't he derailed? hadn't we derailed? hadn't you derailed? hadn't they derailed?
Pluscuamperfecto continuo
hadn't I been derailing? hadn't you been derailing? hadn't he been derailing? hadn't we been derailing? hadn't you been derailing? hadn't they been derailing?
Futuro simple
won't I derail? won't you derail? won't he derail? won't we derail? won't you derail? won't they derail?
Futuro continuo
won't I be derailing? won't you be derailing? won't he be derailing? won't we be derailing? won't you be derailing? won't they be derailing?
Futuro perfecto
won't I have derailed? won't you have derailed? won't he have derailed? won't we have derailed? won't you have derailed? won't they have derailed?
Futuro perfecto contínuo
won't I have been derailing? won't you have been derailing? won't he have been derailing? won't we have been derailing? won't you have been derailing? won't they have been derailing?
Condicional
Presente
wouldn't I derail? wouldn't you derail? wouldn't he derail? wouldn't we derail? wouldn't you derail? wouldn't they derail?
Presente continuo
wouldn't I be derailing? wouldn't you be derailing? wouldn't he be derailing? wouldn't we be derailing? wouldn't you be derailing? wouldn't they be derailing?
Passado
wouldn't I have derailed? wouldn't you have derailed? wouldn't he have derailed? wouldn't we have derailed? wouldn't you have derailed? wouldn't they have derailed?
Passado continuo
wouldn't I have been derailing? wouldn't you have been derailing? wouldn't he have been derailing? wouldn't we have been derailing? wouldn't you have been derailing? wouldn't they have been derailing?