I could size you could size he could size we could size you could size they could size
Forma con V-ing
I could be sizing you could be sizing he could be sizing we could be sizing you could be sizing they could be sizing
Perfecto
I could have sized you could have sized he could have sized we could have sized you could have sized they could have sized
Perfecto con V-ing
I could have been sizing you could have been sizing he could have been sizing we could have been sizing you could have been sizing they could have been sizing
Negación
Forma simple
I could not size you could not size he could not size we could not size you could not size they could not size
Forma con V-ing
I could not be sizing you could not be sizing he could not be sizing we could not be sizing you could not be sizing they could not be sizing
Perfecto
I could not have sized you could not have sized he could not have sized we could not have sized you could not have sized they could not have sized
Perfecto con V-ing
I could not have been sizing you could not have been sizing he could not have been sizing we could not have been sizing you could not have been sizing they could not have been sizing
Forma interrogativa
Forma simple
could I size? could you size? could he size? could we size? could you size? could they size?
Forma con V-ing
could I be sizing? could you be sizing? could he be sizing? could we be sizing? could you be sizing? could they be sizing?
Perfecto
could I have sized? could you have sized? could he have sized? could we have sized? could you have sized? could they have sized?
Perfecto con V-ing
could I have been sizing? could you have been sizing? could he have been sizing? could we have been sizing? could you have been sizing? could they have been sizing?
Forma interro-negativa
Forma simple
could I not size? could you not size? could he not size? could we not size? could you not size? could they not size?
Forma con V-ing
could I not be sizing? could you not be sizing? could he not be sizing? could we not be sizing? could you not be sizing? could they not be sizing?
Perfecto
could I not have sized? could you not have sized? could he not have sized? could we not have sized? could you not have sized? could they not have sized?
Perfecto con V-ing
could I not have been sizing? could you not have been sizing? could he not have been sizing? could we not have been sizing? could you not have been sizing? could they not have been sizing?