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