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