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