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