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