English verb conjugation
CAN FATHER

Regular verb: father - fathered - fathered

Affirmation

Simple form	V-ing form
I can father you can father he can father we can father you can father they can father	I can be fathering you can be fathering he can be fathering we can be fathering you can be fathering they can be fathering
Perfect	V-ing perfect
I can have fathered you can have fathered he can have fathered we can have fathered you can have fathered they can have fathered	I can have been fathering you can have been fathering he can have been fathering we can have been fathering you can have been fathering they can have been fathering

Negation

Simple form	V-ing form
I cannot father you cannot father he cannot father we cannot father you cannot father they cannot father	I cannot be fathering you cannot be fathering he cannot be fathering we cannot be fathering you cannot be fathering they cannot be fathering
Perfect	V-ing perfect
I cannot have fathered you cannot have fathered he cannot have fathered we cannot have fathered you cannot have fathered they cannot have fathered	I cannot have been fathering you cannot have been fathering he cannot have been fathering we cannot have been fathering you cannot have been fathering they cannot have been fathering

Interrogative form

Simple form	V-ing form
can I father? can you father? can he father? can we father? can you father? can they father?	can I be fathering? can you be fathering? can he be fathering? can we be fathering? can you be fathering? can they be fathering?
Perfect	V-ing perfect
can I have fathered? can you have fathered? can he have fathered? can we have fathered? can you have fathered? can they have fathered?	can I have been fathering? can you have been fathering? can he have been fathering? can we have been fathering? can you have been fathering? can they have been fathering?

Interro-negative form

Simple form	V-ing form
can I not father? can you not father? can he not father? can we not father? can you not father? can they not father?	can I not be fathering? can you not be fathering? can he not be fathering? can we not be fathering? can you not be fathering? can they not be fathering?
Perfect	V-ing perfect
can I not have fathered? can you not have fathered? can he not have fathered? can we not have fathered? can you not have fathered? can they not have fathered?	can I not have been fathering? can you not have been fathering? can he not have been fathering? can we not have been fathering? can you not have been fathering? can they not have been fathering?