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