do I not alter? do you not alter? does she not alter? do we not alter? do you not alter? do they not alter?
Presente continuo
am I not altering? are you not altering? is she not altering? are we not altering? are you not altering? are they not altering?
Pretérito
did I not alter? did you not alter? did she not alter? did we not alter? did you not alter? did they not alter?
Pretérito continuo
was I not altering? were you not altering? was she not altering? were we not altering? were you not altering? were they not altering?
Presente perfecto
have I not altered? have you not altered? has she not altered? have we not altered? have you not altered? have they not altered?
Presente perfecto continuo
have I not been altering? have you not been altering? has she not been altering? have we not been altering? have you not been altering? have they not been altering?
Pluscuamperfecto
had I not altered? had you not altered? had she not altered? had we not altered? had you not altered? had they not altered?
Pluscuamperfecto continuo
had I not been altering? had you not been altering? had she not been altering? had we not been altering? had you not been altering? had they not been altering?
Futuro simple
will I not alter? will you not alter? will she not alter? will we not alter? will you not alter? will they not alter?
Futuro continuo
will I not be altering? will you not be altering? will she not be altering? will we not be altering? will you not be altering? will they not be altering?
Futuro perfecto
will I not have altered? will you not have altered? will she not have altered? will we not have altered? will you not have altered? will they not have altered?
Futuro perfecto contínuo
will I not have been altering? will you not have been altering? will she not have been altering? will we not have been altering? will you not have been altering? will they not have been altering?
Condicional
Presente
would I not alter? would you not alter? would she not alter? would we not alter? would you not alter? would they not alter?
Presente continuo
would I not be altering? would you not be altering? would she not be altering? would we not be altering? would you not be altering? would they not be altering?
Passado
would I not have altered? would you not have altered? would she not have altered? would we not have altered? would you not have altered? would they not have altered?
Passado continuo
would I not have been altering? would you not have been altering? would she not have been altering? would we not have been altering? would you not have been altering? would they not have been altering?