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