English verb conjugation
COULD FATHER

Regular verb: father - fathered - fathered

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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