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