English verb conjugation
CAN BEFOUL

Regular verb: befoul - befouled - befouled

Affirmation

Simple form	V-ing form
I can befoul you can befoul she can befoul we can befoul you can befoul they can befoul	I can be befouling you can be befouling she can be befouling we can be befouling you can be befouling they can be befouling
Perfect	V-ing perfect
I can have befouled you can have befouled she can have befouled we can have befouled you can have befouled they can have befouled	I can have been befouling you can have been befouling she can have been befouling we can have been befouling you can have been befouling they can have been befouling

Negation

Simple form	V-ing form
I cannot befoul you cannot befoul she cannot befoul we cannot befoul you cannot befoul they cannot befoul	I cannot be befouling you cannot be befouling she cannot be befouling we cannot be befouling you cannot be befouling they cannot be befouling
Perfect	V-ing perfect
I cannot have befouled you cannot have befouled she cannot have befouled we cannot have befouled you cannot have befouled they cannot have befouled	I cannot have been befouling you cannot have been befouling she cannot have been befouling we cannot have been befouling you cannot have been befouling they cannot have been befouling

Interrogative form

Simple form	V-ing form
can I befoul? can you befoul? can she befoul? can we befoul? can you befoul? can they befoul?	can I be befouling? can you be befouling? can she be befouling? can we be befouling? can you be befouling? can they be befouling?
Perfect	V-ing perfect
can I have befouled? can you have befouled? can she have befouled? can we have befouled? can you have befouled? can they have befouled?	can I have been befouling? can you have been befouling? can she have been befouling? can we have been befouling? can you have been befouling? can they have been befouling?

Interro-negative form

Simple form	V-ing form
can I not befoul? can you not befoul? can she not befoul? can we not befoul? can you not befoul? can they not befoul?	can I not be befouling? can you not be befouling? can she not be befouling? can we not be befouling? can you not be befouling? can they not be befouling?
Perfect	V-ing perfect
can I not have befouled? can you not have befouled? can she not have befouled? can we not have befouled? can you not have befouled? can they not have befouled?	can I not have been befouling? can you not have been befouling? can she not have been befouling? can we not have been befouling? can you not have been befouling? can they not have been befouling?