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