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