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