don't I grade? don't you grade? doesn't he grade? don't we grade? don't you grade? don't they grade?
Presente contínuo
am I not grading? aren't you grading? isn't he grading? aren't we grading? aren't you grading? aren't they grading?
Pretérito
didn't I grade? didn't you grade? didn't he grade? didn't we grade? didn't you grade? didn't they grade?
Preterito contínuo
wasn't I grading? weren't you grading? wasn't he grading? weren't we grading? weren't you grading? weren't they grading?
Presente perfeito
haven't I graded? haven't you graded? hasn't he graded? haven't we graded? haven't you graded? haven't they graded?
Presente perfeito contínuo
haven't I been grading? haven't you been grading? hasn't he been grading? haven't we been grading? haven't you been grading? haven't they been grading?
Mais perfeito
hadn't I graded? hadn't you graded? hadn't he graded? hadn't we graded? hadn't you graded? hadn't they graded?
Contínuo mais perfeito
hadn't I been grading? hadn't you been grading? hadn't he been grading? hadn't we been grading? hadn't you been grading? hadn't they been grading?
Futuro
won't I grade? won't you grade? won't he grade? won't we grade? won't you grade? won't they grade?
Futuro contínuo
won't I be grading? won't you be grading? won't he be grading? won't we be grading? won't you be grading? won't they be grading?
futuro perfeito
won't I have graded? won't you have graded? won't he have graded? won't we have graded? won't you have graded? won't they have graded?
futuro perfeito contínuo
won't I have been grading? won't you have been grading? won't he have been grading? won't we have been grading? won't you have been grading? won't they have been grading?
Condicional
Presente
wouldn't I grade? wouldn't you grade? wouldn't he grade? wouldn't we grade? wouldn't you grade? wouldn't they grade?
Presente contínuo
wouldn't I be grading? wouldn't you be grading? wouldn't he be grading? wouldn't we be grading? wouldn't you be grading? wouldn't they be grading?
Passado
wouldn't I have graded? wouldn't you have graded? wouldn't he have graded? wouldn't we have graded? wouldn't you have graded? wouldn't they have graded?
Passado contínuo
wouldn't I have been grading? wouldn't you have been grading? wouldn't he have been grading? wouldn't we have been grading? wouldn't you have been grading? wouldn't they have been grading?