don't I regulate? don't you regulate? doesn't he 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 he regulating? aren't we regulating? aren't you regulating? aren't they regulating?
Preterite
didn't I regulate? didn't you regulate? didn't he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he have been regulating? wouldn't we have been regulating? wouldn't you have been regulating? wouldn't they have been regulating?