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