do I not sign? do you not sign? does she not sign? do we not sign? do you not sign? do they not sign?
Present continuous
am I not signing? are you not signing? is she not signing? are we not signing? are you not signing? are they not signing?
Preterite
did I not sign? did you not sign? did she not sign? did we not sign? did you not sign? did they not sign?
Preterite continuous
was I not signing? were you not signing? was she not signing? were we not signing? were you not signing? were they not signing?
Present perfect
have I not signed? have you not signed? has she not signed? have we not signed? have you not signed? have they not signed?
Present perfect continuous
have I not been signing? have you not been signing? has she not been signing? have we not been signing? have you not been signing? have they not been signing?
Pluperfect
had I not signed? had you not signed? had she not signed? had we not signed? had you not signed? had they not signed?
Pluperfect continuous
had I not been signing? had you not been signing? had she not been signing? had we not been signing? had you not been signing? had they not been signing?
Future
will I not sign? will you not sign? will she not sign? will we not sign? will you not sign? will they not sign?
Future continuous
will I not be signing? will you not be signing? will she not be signing? will we not be signing? will you not be signing? will they not be signing?
Future perfect
will I not have signed? will you not have signed? will she not have signed? will we not have signed? will you not have signed? will they not have signed?
Future perfect continuous
will I not have been signing? will you not have been signing? will she not have been signing? will we not have been signing? will you not have been signing? will they not have been signing?
Conditional
Present
would I not sign? would you not sign? would she not sign? would we not sign? would you not sign? would they not sign?
Present continuous
would I not be signing? would you not be signing? would she not be signing? would we not be signing? would you not be signing? would they not be signing?
Past
would I not have signed? would you not have signed? would she not have signed? would we not have signed? would you not have signed? would they not have signed?
Past continuous
would I not have been signing? would you not have been signing? would she not have been signing? would we not have been signing? would you not have been signing? would they not have been signing?