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