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