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