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