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