I could toast you could toast he could toast we could toast you could toast they could toast
Forma con V-ing
I could be toasting you could be toasting he could be toasting we could be toasting you could be toasting they could be toasting
Perfecto
I could have toasted you could have toasted he could have toasted we could have toasted you could have toasted they could have toasted
Perfecto con V-ing
I could have been toasting you could have been toasting he could have been toasting we could have been toasting you could have been toasting they could have been toasting
Negación
Forma simple
I could not toast you could not toast he could not toast we could not toast you could not toast they could not toast
Forma con V-ing
I could not be toasting you could not be toasting he could not be toasting we could not be toasting you could not be toasting they could not be toasting
Perfecto
I could not have toasted you could not have toasted he could not have toasted we could not have toasted you could not have toasted they could not have toasted
Perfecto con V-ing
I could not have been toasting you could not have been toasting he could not have been toasting we could not have been toasting you could not have been toasting they could not have been toasting
Forma interrogativa
Forma simple
could I toast? could you toast? could he toast? could we toast? could you toast? could they toast?
Forma con V-ing
could I be toasting? could you be toasting? could he be toasting? could we be toasting? could you be toasting? could they be toasting?
Perfecto
could I have toasted? could you have toasted? could he have toasted? could we have toasted? could you have toasted? could they have toasted?
Perfecto con V-ing
could I have been toasting? could you have been toasting? could he have been toasting? could we have been toasting? could you have been toasting? could they have been toasting?
Forma interro-negativa
Forma simple
could I not toast? could you not toast? could he not toast? could we not toast? could you not toast? could they not toast?
Forma con V-ing
could I not be toasting? could you not be toasting? could he not be toasting? could we not be toasting? could you not be toasting? could they not be toasting?
Perfecto
could I not have toasted? could you not have toasted? could he not have toasted? could we not have toasted? could you not have toasted? could they not have toasted?
Perfecto con V-ing
could I not have been toasting? could you not have been toasting? could he not have been toasting? could we not have been toasting? could you not have been toasting? could they not have been toasting?