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