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