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