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