I could uncork you could uncork he could uncork we could uncork you could uncork they could uncork
Forma com V-ing
I could be uncorking you could be uncorking he could be uncorking we could be uncorking you could be uncorking they could be uncorking
Perfeito
I could have uncorked you could have uncorked he could have uncorked we could have uncorked you could have uncorked they could have uncorked
Perfeito com V-ing
I could have been uncorking you could have been uncorking he could have been uncorking we could have been uncorking you could have been uncorking they could have been uncorking
Negação
Forma simple
I could not uncork you could not uncork he could not uncork we could not uncork you could not uncork they could not uncork
Forma com V-ing
I could not be uncorking you could not be uncorking he could not be uncorking we could not be uncorking you could not be uncorking they could not be uncorking
Perfeito
I could not have uncorked you could not have uncorked he could not have uncorked we could not have uncorked you could not have uncorked they could not have uncorked
Perfeito com V-ing
I could not have been uncorking you could not have been uncorking he could not have been uncorking we could not have been uncorking you could not have been uncorking they could not have been uncorking
Forma interrogativa
Forma simple
could I uncork? could you uncork? could he uncork? could we uncork? could you uncork? could they uncork?
Forma com V-ing
could I be uncorking? could you be uncorking? could he be uncorking? could we be uncorking? could you be uncorking? could they be uncorking?
Perfeito
could I have uncorked? could you have uncorked? could he have uncorked? could we have uncorked? could you have uncorked? could they have uncorked?
Perfeito com V-ing
could I have been uncorking? could you have been uncorking? could he have been uncorking? could we have been uncorking? could you have been uncorking? could they have been uncorking?
Forma interro-Negação
Forma simple
could I not uncork? could you not uncork? could he not uncork? could we not uncork? could you not uncork? could they not uncork?
Forma com V-ing
could I not be uncorking? could you not be uncorking? could he not be uncorking? could we not be uncorking? could you not be uncorking? could they not be uncorking?
Perfeito
could I not have uncorked? could you not have uncorked? could he not have uncorked? could we not have uncorked? could you not have uncorked? could they not have uncorked?
Perfeito com V-ing
could I not have been uncorking? could you not have been uncorking? could he not have been uncorking? could we not have been uncorking? could you not have been uncorking? could they not have been uncorking?