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