I could spall you could spall he could spall we could spall you could spall they could spall
Forma con V-ing
I could be spalling you could be spalling he could be spalling we could be spalling you could be spalling they could be spalling
Perfecto
I could have spalled you could have spalled he could have spalled we could have spalled you could have spalled they could have spalled
Perfecto con V-ing
I could have been spalling you could have been spalling he could have been spalling we could have been spalling you could have been spalling they could have been spalling
Negación
Forma simple
I could not spall you could not spall he could not spall we could not spall you could not spall they could not spall
Forma con V-ing
I could not be spalling you could not be spalling he could not be spalling we could not be spalling you could not be spalling they could not be spalling
Perfecto
I could not have spalled you could not have spalled he could not have spalled we could not have spalled you could not have spalled they could not have spalled
Perfecto con V-ing
I could not have been spalling you could not have been spalling he could not have been spalling we could not have been spalling you could not have been spalling they could not have been spalling
Forma interrogativa
Forma simple
could I spall? could you spall? could he spall? could we spall? could you spall? could they spall?
Forma con V-ing
could I be spalling? could you be spalling? could he be spalling? could we be spalling? could you be spalling? could they be spalling?
Perfecto
could I have spalled? could you have spalled? could he have spalled? could we have spalled? could you have spalled? could they have spalled?
Perfecto con V-ing
could I have been spalling? could you have been spalling? could he have been spalling? could we have been spalling? could you have been spalling? could they have been spalling?
Forma interro-negativa
Forma simple
could I not spall? could you not spall? could he not spall? could we not spall? could you not spall? could they not spall?
Forma con V-ing
could I not be spalling? could you not be spalling? could he not be spalling? could we not be spalling? could you not be spalling? could they not be spalling?
Perfecto
could I not have spalled? could you not have spalled? could he not have spalled? could we not have spalled? could you not have spalled? could they not have spalled?
Perfecto con V-ing
could I not have been spalling? could you not have been spalling? could he not have been spalling? could we not have been spalling? could you not have been spalling? could they not have been spalling?