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