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