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