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