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