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