do I not stain? do you not stain? does he not stain? do we not stain? do you not stain? do they not stain?
Presente continuo
am I not staining? are you not staining? is he not staining? are we not staining? are you not staining? are they not staining?
Pretérito
did I not stain? did you not stain? did he not stain? did we not stain? did you not stain? did they not stain?
Pretérito continuo
was I not staining? were you not staining? was he not staining? were we not staining? were you not staining? were they not staining?
Presente perfecto
have I not stained? have you not stained? has he not stained? have we not stained? have you not stained? have they not stained?
Presente perfecto continuo
have I not been staining? have you not been staining? has he not been staining? have we not been staining? have you not been staining? have they not been staining?
Pluscuamperfecto
had I not stained? had you not stained? had he not stained? had we not stained? had you not stained? had they not stained?
Pluscuamperfecto continuo
had I not been staining? had you not been staining? had he not been staining? had we not been staining? had you not been staining? had they not been staining?
Futuro simple
will I not stain? will you not stain? will he not stain? will we not stain? will you not stain? will they not stain?
Futuro continuo
will I not be staining? will you not be staining? will he not be staining? will we not be staining? will you not be staining? will they not be staining?
Futuro perfecto
will I not have stained? will you not have stained? will he not have stained? will we not have stained? will you not have stained? will they not have stained?
Futuro perfecto contínuo
will I not have been staining? will you not have been staining? will he not have been staining? will we not have been staining? will you not have been staining? will they not have been staining?
Condicional
Presente
would I not stain? would you not stain? would he not stain? would we not stain? would you not stain? would they not stain?
Presente continuo
would I not be staining? would you not be staining? would he not be staining? would we not be staining? would you not be staining? would they not be staining?
Passado
would I not have stained? would you not have stained? would he not have stained? would we not have stained? would you not have stained? would they not have stained?
Passado continuo
would I not have been staining? would you not have been staining? would he not have been staining? would we not have been staining? would you not have been staining? would they not have been staining?