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