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