do I not exchange? do you not exchange? does he not exchange? do we not exchange? do you not exchange? do they not exchange?
Presente continuo
am I not exchanging? are you not exchanging? is he not exchanging? are we not exchanging? are you not exchanging? are they not exchanging?
Pretérito
did I not exchange? did you not exchange? did he not exchange? did we not exchange? did you not exchange? did they not exchange?
Pretérito continuo
was I not exchanging? were you not exchanging? was he not exchanging? were we not exchanging? were you not exchanging? were they not exchanging?
Presente perfecto
have I not exchanged? have you not exchanged? has he not exchanged? have we not exchanged? have you not exchanged? have they not exchanged?
Presente perfecto continuo
have I not been exchanging? have you not been exchanging? has he not been exchanging? have we not been exchanging? have you not been exchanging? have they not been exchanging?
Pluscuamperfecto
had I not exchanged? had you not exchanged? had he not exchanged? had we not exchanged? had you not exchanged? had they not exchanged?
Pluscuamperfecto continuo
had I not been exchanging? had you not been exchanging? had he not been exchanging? had we not been exchanging? had you not been exchanging? had they not been exchanging?
Futuro simple
will I not exchange? will you not exchange? will he not exchange? will we not exchange? will you not exchange? will they not exchange?
Futuro continuo
will I not be exchanging? will you not be exchanging? will he not be exchanging? will we not be exchanging? will you not be exchanging? will they not be exchanging?
Futuro perfecto
will I not have exchanged? will you not have exchanged? will he not have exchanged? will we not have exchanged? will you not have exchanged? will they not have exchanged?
Futuro perfecto contínuo
will I not have been exchanging? will you not have been exchanging? will he 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 he not exchange? would we not exchange? would you not exchange? would they not exchange?
Presente continuo
would I not be exchanging? would you not be exchanging? would he 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 he not have exchanged? would we not have exchanged? would you not have exchanged? would they not have exchanged?
Passado continuo
would I not have been exchanging? would you not have been exchanging? would he not have been exchanging? would we not have been exchanging? would you not have been exchanging? would they not have been exchanging?