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