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