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