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