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