do I not knock? do you not knock? does he not knock? do we not knock? do you not knock? do they not knock?
Presente continuo
am I not knocking? are you not knocking? is he not knocking? are we not knocking? are you not knocking? are they not knocking?
Preterito
did I not knock? did you not knock? did he not knock? did we not knock? did you not knock? did they not knock?
Preterite continua
was I not knocking? were you not knocking? was he not knocking? were we not knocking? were you not knocking? were they not knocking?
Presente perfetto
have I not knocked? have you not knocked? has he not knocked? have we not knocked? have you not knocked? have they not knocked?
Presente perfetto continuo
have I not been knocking? have you not been knocking? has he not been knocking? have we not been knocking? have you not been knocking? have they not been knocking?
Piuccheperfetto
had I not knocked? had you not knocked? had he not knocked? had we not knocked? had you not knocked? had they not knocked?
Piuccheperfetto continuo
had I not been knocking? had you not been knocking? had he not been knocking? had we not been knocking? had you not been knocking? had they not been knocking?
Futuro semplice
will I not knock? will you not knock? will he not knock? will we not knock? will you not knock? will they not knock?
Futuro continuo
will I not be knocking? will you not be knocking? will he not be knocking? will we not be knocking? will you not be knocking? will they not be knocking?
Futuro anteriore
will I not have knocked? will you not have knocked? will he not have knocked? will we not have knocked? will you not have knocked? will they not have knocked?
Futuro anteriore contínuo
will I not have been knocking? will you not have been knocking? will he not have been knocking? will we not have been knocking? will you not have been knocking? will they not have been knocking?
Condizionale
Presente
would I not knock? would you not knock? would he not knock? would we not knock? would you not knock? would they not knock?
Presente continuo
would I not be knocking? would you not be knocking? would he not be knocking? would we not be knocking? would you not be knocking? would they not be knocking?
Passato
would I not have knocked? would you not have knocked? would he not have knocked? would we not have knocked? would you not have knocked? would they not have knocked?
Passato continuo
would I not have been knocking? would you not have been knocking? would he not have been knocking? would we not have been knocking? would you not have been knocking? would they not have been knocking?