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