don't I fulfill? don't you fulfill? doesn't he fulfill? don't we fulfill? don't you fulfill? don't they fulfill?
Present continuous
am I not fulfilling? aren't you fulfilling? isn't he fulfilling? aren't we fulfilling? aren't you fulfilling? aren't they fulfilling?
Preterite
didn't I fulfill? didn't you fulfill? didn't he fulfill? didn't we fulfill? didn't you fulfill? didn't they fulfill?
Preterite continuous
wasn't I fulfilling? weren't you fulfilling? wasn't he fulfilling? weren't we fulfilling? weren't you fulfilling? weren't they fulfilling?
Present perfect
haven't I fulfilled? haven't you fulfilled? hasn't he fulfilled? haven't we fulfilled? haven't you fulfilled? haven't they fulfilled?
Present perfect continuous
haven't I been fulfilling? haven't you been fulfilling? hasn't he been fulfilling? haven't we been fulfilling? haven't you been fulfilling? haven't they been fulfilling?
Pluperfect
hadn't I fulfilled? hadn't you fulfilled? hadn't he fulfilled? hadn't we fulfilled? hadn't you fulfilled? hadn't they fulfilled?
Pluperfect continuous
hadn't I been fulfilling? hadn't you been fulfilling? hadn't he been fulfilling? hadn't we been fulfilling? hadn't you been fulfilling? hadn't they been fulfilling?
Future
won't I fulfill? won't you fulfill? won't he fulfill? won't we fulfill? won't you fulfill? won't they fulfill?
Future continuous
won't I be fulfilling? won't you be fulfilling? won't he be fulfilling? won't we be fulfilling? won't you be fulfilling? won't they be fulfilling?
Future perfect
won't I have fulfilled? won't you have fulfilled? won't he have fulfilled? won't we have fulfilled? won't you have fulfilled? won't they have fulfilled?
Future perfect continuous
won't I have been fulfilling? won't you have been fulfilling? won't he have been fulfilling? won't we have been fulfilling? won't you have been fulfilling? won't they have been fulfilling?
Conditional
Present
wouldn't I fulfill? wouldn't you fulfill? wouldn't he fulfill? wouldn't we fulfill? wouldn't you fulfill? wouldn't they fulfill?
Present continuous
wouldn't I be fulfilling? wouldn't you be fulfilling? wouldn't he be fulfilling? wouldn't we be fulfilling? wouldn't you be fulfilling? wouldn't they be fulfilling?
Past
wouldn't I have fulfilled? wouldn't you have fulfilled? wouldn't he have fulfilled? wouldn't we have fulfilled? wouldn't you have fulfilled? wouldn't they have fulfilled?
Past continuous
wouldn't I have been fulfilling? wouldn't you have been fulfilling? wouldn't he have been fulfilling? wouldn't we have been fulfilling? wouldn't you have been fulfilling? wouldn't they have been fulfilling?