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