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