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