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