do I not exchange? do you not exchange? does she not exchange? do we not exchange? do you not exchange? do they not exchange?
Presente contínuo
am I not exchanging? are you not exchanging? is she not exchanging? are we not exchanging? are you not exchanging? are they not exchanging?
Pretérito
did I not exchange? did you not exchange? did she not exchange? did we not exchange? did you not exchange? did they not exchange?
Preterito contínuo
was I not exchanging? were you not exchanging? was she not exchanging? were we not exchanging? were you not exchanging? were they not exchanging?
Presente perfeito
have I not exchanged? have you not exchanged? has she not exchanged? have we not exchanged? have you not exchanged? have they not exchanged?
Presente perfeito contínuo
have I not been exchanging? have you not been exchanging? has she not been exchanging? have we not been exchanging? have you not been exchanging? have they not been exchanging?
Mais perfeito
had I not exchanged? had you not exchanged? had she not exchanged? had we not exchanged? had you not exchanged? had they not exchanged?
Contínuo mais perfeito
had I not been exchanging? had you not been exchanging? had she not been exchanging? had we not been exchanging? had you not been exchanging? had they not been exchanging?
Futuro
will I not exchange? will you not exchange? will she not exchange? will we not exchange? will you not exchange? will they not exchange?
Futuro contínuo
will I not be exchanging? will you not be exchanging? will she not be exchanging? will we not be exchanging? will you not be exchanging? will they not be exchanging?
futuro perfeito
will I not have exchanged? will you not have exchanged? will she not have exchanged? will we not have exchanged? will you not have exchanged? will they not have exchanged?
futuro perfeito contínuo
will I not have been exchanging? will you not have been exchanging? will she not have been exchanging? will we not have been exchanging? will you not have been exchanging? will they not have been exchanging?
Condicional
Presente
would I not exchange? would you not exchange? would she not exchange? would we not exchange? would you not exchange? would they not exchange?
Presente contínuo
would I not be exchanging? would you not be exchanging? would she not be exchanging? would we not be exchanging? would you not be exchanging? would they not be exchanging?
Passado
would I not have exchanged? would you not have exchanged? would she not have exchanged? would we not have exchanged? would you not have exchanged? would they not have exchanged?
Passado contínuo
would I not have been exchanging? would you not have been exchanging? would she not have been exchanging? would we not have been exchanging? would you not have been exchanging? would they not have been exchanging?