don't I charter? don't you charter? doesn't he 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 he chartering? aren't we chartering? aren't you chartering? aren't they chartering?
Preterite
didn't I charter? didn't you charter? didn't he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he have been chartering? wouldn't we have been chartering? wouldn't you have been chartering? wouldn't they have been chartering?