English verb conjugation
COULD FATHER

Regular verb: father - fathered - fathered

Affirmation

Simple form	V-ing form
I could father you could father she could father we could father you could father they could father	I could be fathering you could be fathering she 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 she 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 she 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 couldn't father you couldn't father she couldn't father we couldn't father you couldn't father they couldn't father	I couldn't be fathering you couldn't be fathering she couldn't be fathering we couldn't be fathering you couldn't be fathering they couldn't be fathering
Perfect	V-ing perfect
I couldn't have fathered you couldn't have fathered she couldn't have fathered we couldn't have fathered you couldn't have fathered they couldn't have fathered	I couldn't have been fathering you couldn't have been fathering she couldn't have been fathering we couldn't have been fathering you couldn't have been fathering they couldn't have been fathering

Interrogative form

Simple form	V-ing form
could I father? could you father? could she father? could we father? could you father? could they father?	could I be fathering? could you be fathering? could she 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 she 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 she 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
couldn't I father? couldn't you father? couldn't she father? couldn't we father? couldn't you father? couldn't they father?	couldn't I be fathering? couldn't you be fathering? couldn't she be fathering? couldn't we be fathering? couldn't you be fathering? couldn't they be fathering?
Perfect	V-ing perfect
couldn't I have fathered? couldn't you have fathered? couldn't she have fathered? couldn't we have fathered? couldn't you have fathered? couldn't they have fathered?	couldn't I have been fathering? couldn't you have been fathering? couldn't she have been fathering? couldn't we have been fathering? couldn't you have been fathering? couldn't they have been fathering?