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