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