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