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