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