do I not sleep? do you not sleep? does he not sleep? do we not sleep? do you not sleep? do they not sleep?
Present continuous
am I not sleeping? are you not sleeping? is he not sleeping? are we not sleeping? are you not sleeping? are they not sleeping?
Preterite
did I not sleep? did you not sleep? did he not sleep? did we not sleep? did you not sleep? did they not sleep?
Preterite continuous
was I not sleeping? were you not sleeping? was he not sleeping? were we not sleeping? were you not sleeping? were they not sleeping?
Present perfect
have I not slept? have you not slept? has he not slept? have we not slept? have you not slept? have they not slept?
Present perfect continuous
have I not been sleeping? have you not been sleeping? has he not been sleeping? have we not been sleeping? have you not been sleeping? have they not been sleeping?
Pluperfect
had I not slept? had you not slept? had he not slept? had we not slept? had you not slept? had they not slept?
Pluperfect continuous
had I not been sleeping? had you not been sleeping? had he not been sleeping? had we not been sleeping? had you not been sleeping? had they not been sleeping?
Future
will I not sleep? will you not sleep? will he not sleep? will we not sleep? will you not sleep? will they not sleep?
Future continuous
will I not be sleeping? will you not be sleeping? will he not be sleeping? will we not be sleeping? will you not be sleeping? will they not be sleeping?
Future perfect
will I not have slept? will you not have slept? will he not have slept? will we not have slept? will you not have slept? will they not have slept?
Future perfect continuous
will I not have been sleeping? will you not have been sleeping? will he not have been sleeping? will we not have been sleeping? will you not have been sleeping? will they not have been sleeping?
Conditional
Present
would I not sleep? would you not sleep? would he not sleep? would we not sleep? would you not sleep? would they not sleep?
Present continuous
would I not be sleeping? would you not be sleeping? would he not be sleeping? would we not be sleeping? would you not be sleeping? would they not be sleeping?
Past
would I not have slept? would you not have slept? would he not have slept? would we not have slept? would you not have slept? would they not have slept?
Past continuous
would I not have been sleeping? would you not have been sleeping? would he not have been sleeping? would we not have been sleeping? would you not have been sleeping? would they not have been sleeping?