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