I could spade you could spade he could spade we could spade you could spade they could spade
Forma con V-ing
I could be spading you could be spading he could be spading we could be spading you could be spading they could be spading
Perfecto
I could have spaded you could have spaded he could have spaded we could have spaded you could have spaded they could have spaded
Perfecto con V-ing
I could have been spading you could have been spading he could have been spading we could have been spading you could have been spading they could have been spading
Negación
Forma simple
I could not spade you could not spade he could not spade we could not spade you could not spade they could not spade
Forma con V-ing
I could not be spading you could not be spading he could not be spading we could not be spading you could not be spading they could not be spading
Perfecto
I could not have spaded you could not have spaded he could not have spaded we could not have spaded you could not have spaded they could not have spaded
Perfecto con V-ing
I could not have been spading you could not have been spading he could not have been spading we could not have been spading you could not have been spading they could not have been spading
Forma interrogativa
Forma simple
could I spade? could you spade? could he spade? could we spade? could you spade? could they spade?
Forma con V-ing
could I be spading? could you be spading? could he be spading? could we be spading? could you be spading? could they be spading?
Perfecto
could I have spaded? could you have spaded? could he have spaded? could we have spaded? could you have spaded? could they have spaded?
Perfecto con V-ing
could I have been spading? could you have been spading? could he have been spading? could we have been spading? could you have been spading? could they have been spading?
Forma interro-negativa
Forma simple
could I not spade? could you not spade? could he not spade? could we not spade? could you not spade? could they not spade?
Forma con V-ing
could I not be spading? could you not be spading? could he not be spading? could we not be spading? could you not be spading? could they not be spading?
Perfecto
could I not have spaded? could you not have spaded? could he not have spaded? could we not have spaded? could you not have spaded? could they not have spaded?
Perfecto con V-ing
could I not have been spading? could you not have been spading? could he not have been spading? could we not have been spading? could you not have been spading? could they not have been spading?