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