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