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