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