I could quest you could quest he could quest we could quest you could quest they could quest
Forma con V-ing
I could be questing you could be questing he could be questing we could be questing you could be questing they could be questing
Perfetto
I could have quested you could have quested he could have quested we could have quested you could have quested they could have quested
Perfetto con V-ing
I could have been questing you could have been questing he could have been questing we could have been questing you could have been questing they could have been questing
Negazione
Forma semplice
I could not quest you could not quest he could not quest we could not quest you could not quest they could not quest
Forma con V-ing
I could not be questing you could not be questing he could not be questing we could not be questing you could not be questing they could not be questing
Perfetto
I could not have quested you could not have quested he could not have quested we could not have quested you could not have quested they could not have quested
Perfetto con V-ing
I could not have been questing you could not have been questing he could not have been questing we could not have been questing you could not have been questing they could not have been questing
Forma interrogativa
Forma semplice
could I quest? could you quest? could he quest? could we quest? could you quest? could they quest?
Forma con V-ing
could I be questing? could you be questing? could he be questing? could we be questing? could you be questing? could they be questing?
Perfetto
could I have quested? could you have quested? could he have quested? could we have quested? could you have quested? could they have quested?
Perfetto con V-ing
could I have been questing? could you have been questing? could he have been questing? could we have been questing? could you have been questing? could they have been questing?
Forma interro-negativa
Forma semplice
could I not quest? could you not quest? could he not quest? could we not quest? could you not quest? could they not quest?
Forma con V-ing
could I not be questing? could you not be questing? could he not be questing? could we not be questing? could you not be questing? could they not be questing?
Perfetto
could I not have quested? could you not have quested? could he not have quested? could we not have quested? could you not have quested? could they not have quested?
Perfetto con V-ing
could I not have been questing? could you not have been questing? could he not have been questing? could we not have been questing? could you not have been questing? could they not have been questing?