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