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