I could befoul you could befoul she could befoul we could befoul you could befoul they could befoul
Forma con V-ing
I could be befouling you could be befouling she could be befouling we could be befouling you could be befouling they could be befouling
Perfecto
I could have befouled you could have befouled she could have befouled we could have befouled you could have befouled they could have befouled
Perfecto con V-ing
I could have been befouling you could have been befouling she could have been befouling we could have been befouling you could have been befouling they could have been befouling
Negación
Forma simple
I could not befoul you could not befoul she could not befoul we could not befoul you could not befoul they could not befoul
Forma con V-ing
I could not be befouling you could not be befouling she could not be befouling we could not be befouling you could not be befouling they could not be befouling
Perfecto
I could not have befouled you could not have befouled she could not have befouled we could not have befouled you could not have befouled they could not have befouled
Perfecto con V-ing
I could not have been befouling you could not have been befouling she could not have been befouling we could not have been befouling you could not have been befouling they could not have been befouling
Forma interrogativa
Forma simple
could I befoul? could you befoul? could she befoul? could we befoul? could you befoul? could they befoul?
Forma con V-ing
could I be befouling? could you be befouling? could she be befouling? could we be befouling? could you be befouling? could they be befouling?
Perfecto
could I have befouled? could you have befouled? could she have befouled? could we have befouled? could you have befouled? could they have befouled?
Perfecto con V-ing
could I have been befouling? could you have been befouling? could she have been befouling? could we have been befouling? could you have been befouling? could they have been befouling?
Forma interro-negativa
Forma simple
could I not befoul? could you not befoul? could she not befoul? could we not befoul? could you not befoul? could they not befoul?
Forma con V-ing
could I not be befouling? could you not be befouling? could she not be befouling? could we not be befouling? could you not be befouling? could they not be befouling?
Perfecto
could I not have befouled? could you not have befouled? could she not have befouled? could we not have befouled? could you not have befouled? could they not have befouled?
Perfecto con V-ing
could I not have been befouling? could you not have been befouling? could she not have been befouling? could we not have been befouling? could you not have been befouling? could they not have been befouling?