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