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