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