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