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