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