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