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