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