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