English verb conjugation
CAN BEFOUL

Regular verb: befoul - befouled - befouled

Affirmation

Simple form	V-ing form
I can befoul you can befoul he can befoul we can befoul you can befoul they can befoul	I can be befouling you can be befouling he 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 he 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 he 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 can't befoul you can't befoul he can't befoul we can't befoul you can't befoul they can't befoul	I can't be befouling you can't be befouling he can't be befouling we can't be befouling you can't be befouling they can't be befouling
Perfect	V-ing perfect
I can't have befouled you can't have befouled he can't have befouled we can't have befouled you can't have befouled they can't have befouled	I can't have been befouling you can't have been befouling he can't have been befouling we can't have been befouling you can't have been befouling they can't have been befouling

Interrogative form

Simple form	V-ing form
can I befoul? can you befoul? can he befoul? can we befoul? can you befoul? can they befoul?	can I be befouling? can you be befouling? can he 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 he 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 he 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't I befoul? can't you befoul? can't he befoul? can't we befoul? can't you befoul? can't they befoul?	can't I be befouling? can't you be befouling? can't he be befouling? can't we be befouling? can't you be befouling? can't they be befouling?
Perfect	V-ing perfect
can't I have befouled? can't you have befouled? can't he have befouled? can't we have befouled? can't you have befouled? can't they have befouled?	can't I have been befouling? can't you have been befouling? can't he have been befouling? can't we have been befouling? can't you have been befouling? can't they have been befouling?